https://pro.arcgis.com/en/pro-app/latest/get-started/arcgis-pro-system-requirements.htm#GUID-D126A33C-1974-4A12-BCFB-E4F85DA5241F on Amazon Workspaces Applications do you reckon stream.graphics.g6f.large or stream.graphics.g6f.xlarge with 3gb Vram would actually be ok and it's just their documentation needs to be updated as it says minimum GPU 6gb Vram . Our Arcgis users are using Windows Laptops with Intel graphics at the moment ok. Would it be a case of try it and see?

As we always say, test in your account to verify - but I believe it will be fine as the new G6 instances are generations more modern than what is published.