License details can be found in the LICENSE file. It's available in each package inside ./packages/ directory. Code is governed by the Apache License, Version 2.0 except following packages which has special license for font files.
./packages/solar-theme./packages/halo-theme
The font "Proxima Nova Fin" shall only be used within LSEG products or services. The copyright owner must approve any use of such font outside of LSEG products or services, which may be subject to a fee. Please see https://www.fontspring.com/lic/fontspring/webfont#license_text
Do not use 'Italic' style due to the license on Proxima Nova Fin font.