diff --git a/change/change-14f1e6d4-2a6d-446d-bf38-f3aec810f8a2.json b/change/change-14f1e6d4-2a6d-446d-bf38-f3aec810f8a2.json
new file mode 100644
index 0000000..1dfa1ed
--- /dev/null
+++ b/change/change-14f1e6d4-2a6d-446d-bf38-f3aec810f8a2.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "type": "minor",
+      "comment": "Expose functionality as a library",
+      "packageName": "azureauth",
+      "email": "dannyvv@microsoft.com",
+      "dependentChangeType": "patch"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/change/change-44c62a72-3c87-4839-9edf-303ecac8725f.json b/change/change-44c62a72-3c87-4839-9edf-303ecac8725f.json
new file mode 100644
index 0000000..c628916
--- /dev/null
+++ b/change/change-44c62a72-3c87-4839-9edf-303ecac8725f.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "type": "minor",
+      "comment": "Expose functionality as a library",
+      "packageName": "ado-npm-auth",
+      "email": "dannyvv@microsoft.com",
+      "dependentChangeType": "patch"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/packages/ado-npm-auth/package.json b/packages/ado-npm-auth/package.json
index 1dde7ed..e400137 100644
--- a/packages/ado-npm-auth/package.json
+++ b/packages/ado-npm-auth/package.json
@@ -6,12 +6,14 @@
   "license": "MIT",
   "type": "module",
   "main": "./dist/index.js",
+  "typings": "./lib/index.d.ts",
   "bin": {
     "ado-npm-auth": "./bin/index.js"
   },
   "files": [
     "dist/index.js",
     "dist/ado-npm-auth.cjs",
+    "lib/*.d.ts",
     "bin",
     "static",
     "LICENCSE.txt",
diff --git a/packages/ado-npm-auth/src/azureauth/ado.ts b/packages/ado-npm-auth/src/azureauth/ado.ts
index 53467a7..cc8840f 100644
--- a/packages/ado-npm-auth/src/azureauth/ado.ts
+++ b/packages/ado-npm-auth/src/azureauth/ado.ts
@@ -34,6 +34,7 @@ export type AdoPatResponse = {
  */
 export const adoPat = async (
   options: AdoPatOptions,
+  azureAuthLocation?: string,
 ): Promise<AdoPatResponse | string> => {
   if (!isSupportedPlatformAndArchitecture()) {
     throw new Error(
@@ -41,7 +42,12 @@ export const adoPat = async (
     );
   }
 
-  const { command: authCommand, env } = azureAuthCommand();
+  const { command: authCommand, env } = azureAuthLocation
+    ? {
+        command: [azureAuthLocation],
+        env: process.env,
+      }
+    : azureAuthCommand();
 
   const command = [
     ...authCommand,
@@ -75,8 +81,10 @@ export const adoPat = async (
       try {
         result = spawnSync(command[0], command.slice(1), { encoding: "utf-8" });
 
-        if (result.error) {
-          throw new Error(result.error.message);
+        if (result.status === 0 || (result.stderr && !result.stdout)) {
+          throw new Error(
+            `Azure Auth failed with exit code ${result.status}: ${result.stderr}`,
+          );
         }
       } catch (error: any) {
         throw new Error(
@@ -87,7 +95,7 @@ export const adoPat = async (
       try {
         result = await exec(command.join(" "), { env });
 
-        if (result.stderr) {
+        if (result.stderr && !result.stdout) {
           throw new Error(result.stderr);
         }
       } catch (error: any) {
@@ -108,7 +116,7 @@ export const adoPat = async (
     return result.stdout;
   } catch (error: any) {
     if (!(await isAzureAuthInstalled())) {
-      throw new Error(`AzureAuth is not installed.`);
+      throw new Error(`AzureAuth is not installed: ${error}`);
     }
 
     throw new Error(error.message);
diff --git a/packages/ado-npm-auth/src/cli.ts b/packages/ado-npm-auth/src/cli.ts
index 8e2ea51..b37a2ab 100644
--- a/packages/ado-npm-auth/src/cli.ts
+++ b/packages/ado-npm-auth/src/cli.ts
@@ -85,7 +85,7 @@ export const run = async (args: Args): Promise<null | boolean> => {
       (feed) => feed.fileProvider,
     );
     for (const [fileProvider, updatedFeeds] of invalidFeedsByProvider) {
-      await fileProvider.writeWorspaceRegistries(
+      await fileProvider.writeWorkspaceRegistries(
         updatedFeeds.map((updatedFeed) => updatedFeed.feed),
       );
     }
diff --git a/packages/ado-npm-auth/src/fileProvider.ts b/packages/ado-npm-auth/src/fileProvider.ts
index d15d52a..8d0f63d 100644
--- a/packages/ado-npm-auth/src/fileProvider.ts
+++ b/packages/ado-npm-auth/src/fileProvider.ts
@@ -108,5 +108,7 @@ export abstract class FileProvider {
   abstract prepUserFile(): Promise<void>;
   abstract getUserFeeds(): Promise<Map<string, Feed>>;
   abstract getWorkspaceRegistries(): Promise<string[]>;
-  abstract writeWorspaceRegistries(feedsToPatch: Iterable<Feed>): Promise<void>;
+  abstract writeWorkspaceRegistries(
+    feedsToPatch: Iterable<Feed>,
+  ): Promise<void>;
 }
diff --git a/packages/ado-npm-auth/src/index.ts b/packages/ado-npm-auth/src/index.ts
index e69de29..69fdda4 100644
--- a/packages/ado-npm-auth/src/index.ts
+++ b/packages/ado-npm-auth/src/index.ts
@@ -0,0 +1,5 @@
+export * from "./yarnrc/yarnrcFileProvider.js";
+export * from "./npmrc/npmrcFileProvider.js";
+export * from "./fileProvider.js";
+
+export * from "./npmrc/generate-npmrc-pat.js";
diff --git a/packages/ado-npm-auth/src/npmrc/generate-npmrc-pat.ts b/packages/ado-npm-auth/src/npmrc/generate-npmrc-pat.ts
index b3cc980..91b976c 100644
--- a/packages/ado-npm-auth/src/npmrc/generate-npmrc-pat.ts
+++ b/packages/ado-npm-auth/src/npmrc/generate-npmrc-pat.ts
@@ -9,16 +9,20 @@ import { toBase64 } from "../utils/encoding.js";
 export const generateNpmrcPat = async (
   organization: string,
   encode = false,
+  azureAuthLocation?: string,
 ): Promise<string> => {
   const name = `${hostname()}-${organization}`;
-  const pat = await adoPat({
-    promptHint: `${name} .npmrc PAT`,
-    organization,
-    displayName: `${name}-npmrc-pat`,
-    scope: ["vso.packaging"],
-    timeout: "30",
-    output: "json",
-  });
+  const pat = await adoPat(
+    {
+      promptHint: `${name} .npmrc PAT`,
+      organization,
+      displayName: `${name}-npmrc-pat`,
+      scope: ["vso.packaging"],
+      timeout: "30",
+      output: "json",
+    },
+    azureAuthLocation,
+  );
 
   const rawToken = (pat as AdoPatResponse).token;
 
diff --git a/packages/ado-npm-auth/src/npmrc/npmrcFileProvider.ts b/packages/ado-npm-auth/src/npmrc/npmrcFileProvider.ts
index b91b57d..04d2f7f 100644
--- a/packages/ado-npm-auth/src/npmrc/npmrcFileProvider.ts
+++ b/packages/ado-npm-auth/src/npmrc/npmrcFileProvider.ts
@@ -140,7 +140,7 @@ export class NpmrcFileProvider extends FileProvider {
     return `//${registry}:${field}=`;
   }
 
-  override async writeWorspaceRegistries(
+  override async writeWorkspaceRegistries(
     feedsToPatch: Iterable<Feed>,
   ): Promise<void> {
     const newLinesByRegistryAndField = new Map<string, string>();
diff --git a/packages/ado-npm-auth/src/yarnrc/yarnrcFileProvider.ts b/packages/ado-npm-auth/src/yarnrc/yarnrcFileProvider.ts
index b32d729..a9ed565 100644
--- a/packages/ado-npm-auth/src/yarnrc/yarnrcFileProvider.ts
+++ b/packages/ado-npm-auth/src/yarnrc/yarnrcFileProvider.ts
@@ -66,7 +66,7 @@ export class YarnRcFileProvider extends FileProvider {
     return registries;
   }
 
-  override async writeWorspaceRegistries(
+  override async writeWorkspaceRegistries(
     feedsToPatch: Iterable<Feed>,
   ): Promise<void> {
     const yarnrc = (await this.paseYarnRc(this.userFilePath)) || {};
diff --git a/packages/node-azureauth/scripts/azureauth.cjs b/packages/node-azureauth/scripts/azureauth.cjs
old mode 100644
new mode 100755