diff --git a/modules/test/playwright/helpers/HeadlessCommerceDeliveryCartApiHelper.ts b/modules/test/playwright/helpers/HeadlessCommerceDeliveryCartApiHelper.ts
index 2942d0bcea3fcb..46e46bd810a2d9 100644
--- a/modules/test/playwright/helpers/HeadlessCommerceDeliveryCartApiHelper.ts
+++ b/modules/test/playwright/helpers/HeadlessCommerceDeliveryCartApiHelper.ts
@@ -19,10 +19,13 @@ type TCartItemUOM = {
 
 type TCart = {
 	accountId: number;
+	billingAddressId?: number;
 	cartItems?: TCartItem[];
 	currencyCode?: string;
 	id?: number;
 	paymentMethod?: string;
+	shippingAddressId?: number;
+	shippingMethod?: string;
 };
 
 export class HeadlessCommerceDeliveryCartApiHelper {
@@ -34,6 +37,12 @@ export class HeadlessCommerceDeliveryCartApiHelper {
 		this.basePath = 'headless-commerce-delivery-cart/v1.0/';
 	}
 
+	async checkoutCart(cartId: number) {
+		return this.apiHelpers.post(
+			`${this.apiHelpers.baseUrl}${this.basePath}/carts/${cartId}/checkout`
+		);
+	}
+
 	async deleteCart(cartId: number) {
 		return this.apiHelpers.delete(
 			`${this.apiHelpers.baseUrl}${this.basePath}/carts/${cartId}`
diff --git a/modules/test/playwright/pages/commerce/commerce-order-content-web/pendingOrdersPage.ts b/modules/test/playwright/pages/commerce/commerce-order-content-web/pendingOrdersPage.ts
index 6b5a9786ce92c8..3d5908b4f7a652 100644
--- a/modules/test/playwright/pages/commerce/commerce-order-content-web/pendingOrdersPage.ts
+++ b/modules/test/playwright/pages/commerce/commerce-order-content-web/pendingOrdersPage.ts
@@ -9,6 +9,9 @@ import {searchTableRowByValue} from '../commerceDNDTablePage';
 import {CommerceLayoutsPage} from '../commerceLayoutsPage';
 
 export class PendingOrdersPage {
+	readonly approveButton: Locator;
+	readonly checkoutButton: Locator;
+	readonly doneButton: Locator;
 	readonly editMenuItem: Locator;
 	readonly errorMessageCloseButton: Locator;
 	readonly layoutsPage: CommerceLayoutsPage;
@@ -29,6 +32,12 @@ export class PendingOrdersPage {
 	readonly viewButton: Locator;
 
 	constructor(page: Page) {
+		this.approveButton = page.getByText('Approve');
+		this.checkoutButton = page.getByText('Checkout');
+		this.doneButton = page.getByRole('button', {
+			exact: true,
+			name: 'Done',
+		});
 		this.editMenuItem = page.getByRole('menuitem', {
 			exact: true,
 			name: 'Edit',
diff --git a/modules/test/playwright/tests/commerce/commerce-order-content-web/pendingOrder.spec.ts b/modules/test/playwright/tests/commerce/commerce-order-content-web/pendingOrder.spec.ts
index 7f7f072286f5b5..f46ff63bf26b2e 100644
--- a/modules/test/playwright/tests/commerce/commerce-order-content-web/pendingOrder.spec.ts
+++ b/modules/test/playwright/tests/commerce/commerce-order-content-web/pendingOrder.spec.ts
@@ -851,3 +851,126 @@ test('LPD-3259 As a buyer with approval workflow, when I click review order in m
 
 	await expect(pendingOrdersPage.orderItemsTable).toBeVisible();
 });
+
+test('LPD-3440 As a order manager with buyer approval workflow, I can approve orders on pending orders page', async ({
+	apiHelpers,
+	commerceAdminChannelDetailsPage,
+	commerceAdminChannelsPage,
+	commerceLayoutsPage,
+	commerceMiniCartPage,
+	page,
+	pendingOrdersPage,
+}) => {
+	const {channel, site} = await miniumSetUp(apiHelpers);
+
+	const account = await apiHelpers.headlessAdminUser.postAccount({
+		name: getRandomString(),
+		type: 'business',
+	});
+
+	apiHelpers.data.push({id: account.id, type: 'account'});
+
+	const user =
+		await apiHelpers.headlessAdminUser.getUserAccountByEmailAddress(
+			'demo.unprivileged@liferay.com'
+		);
+	const rolesResponse = await apiHelpers.headlessAdminUser.getAccountRoles(
+		account.id
+	);
+
+	const accountRoleOrderManager = rolesResponse?.items?.filter((role) => {
+		return role.name === 'Order Manager';
+	});
+
+	await apiHelpers.headlessAdminUser.assignAccountRoles(
+		account.externalReferenceCode,
+		accountRoleOrderManager[0].id,
+		user.emailAddress
+	);
+	await apiHelpers.headlessAdminUser.assignUserToAccountByEmailAddress(
+		account.id,
+		['demo.unprivileged@liferay.com']
+	);
+	const siteRole =
+		await apiHelpers.headlessAdminUser.getRoleByName('Site Member');
+	await apiHelpers.headlessAdminUser.assignUserToSite(
+		siteRole.id,
+		site.id,
+		user.id
+	);
+
+	await commerceAdminChannelsPage.changeCommerceChannelBuyerOrderApprovalWorkflow(
+		'Single Approver (Version 1)',
+		channel.name
+	);
+
+	await (
+		await commerceAdminChannelDetailsPage.commerceChannelHealthChecksTableRowAction(
+			'Fix Issue',
+			'Commerce Cart'
+		)
+	).click();
+
+	const product = await apiHelpers.headlessCommerceAdminCatalog.getProducts(
+		new URLSearchParams({
+			filter: `name eq 'Abs Sensor'`,
+		})
+	);
+
+	const productId = product.items[0].productId;
+
+	const productSkus = await apiHelpers.headlessCommerceAdminCatalog
+		.getProduct(productId)
+		.then((product) => {
+			return product.skus;
+		});
+
+	const sku = productSkus[0];
+
+	const phoneNumber = '12345';
+
+	const address = await apiHelpers.headlessCommerceAdminAccount.postAddress(
+		account.id,
+		{phoneNumber, regionISOCode: 'AL'}
+	);
+
+	await apiHelpers.headlessCommerceDeliveryCart.postCart(
+		{
+			accountId: account.id,
+			billingAddressId: address.id,
+			cartItems: [
+				{
+					options: '[]',
+					quantity: 1,
+					replacedSkuId: 0,
+					skuId: sku.id,
+				},
+			],
+			shippingAddressId: address.id,
+			shippingMethod: 'fixed',
+		},
+		channel.id
+	);
+
+	await page.goto(`/web/${site.name}`);
+
+	await commerceMiniCartPage.miniCartButton.click();
+	await commerceMiniCartPage.reviewOrderButton.click();
+	await commerceMiniCartPage.submitButton.click();
+
+	await expect(commerceMiniCartPage.submitButton).toBeHidden();
+
+	await performLogout(page);
+
+	await performLogin(page, 'demo.unprivileged');
+
+	await page.goto(`/web/${site.name}`);
+
+	await commerceLayoutsPage.pendingOrdersLink.click();
+
+	await pendingOrdersPage.viewButton.click();
+	await pendingOrdersPage.approveButton.click();
+	await pendingOrdersPage.doneButton.click();
+
+	await expect(pendingOrdersPage.checkoutButton).toBeVisible();
+});