US Government Power Platform / Dynamics 365 Feature Matrix
Below is a presentation recording covering US Gov Cloud specific architecture of Power Platform and Dynamics 365 at a Meetup group talk. The video recording can be found below,
Power Platform / Dynamics 365 US Government Cloud Overview
There's also a great video that overviews all of Microsoft's Sovereign Clouds,
Microsoft Sovereign Clouds - Power CAT Live
The list of GCC Power Platform connectors available can be found below,
GCC Power Platform Connectors List
Today, for GCC customers, you have the option with certain Azure connectors (e.g., SQL Server) to toggle between Azure for Government or Azure Commercial subscription. This toggle option will eventually make its way to other Azure connectors in Power Platform GCC.
Today, some connectors in GCC Power Platform service will assume that the resources you want to use are only Azure for Government resources.
A work around for the listed scenario above is to create a Azure Logic App in Azure Commercial and use that with the Azure commercial connectors to get access to the resources you want to leverage,
The list of GCC High Power Platform connectors available can be found below,
GCC High Power Platform Connectors List
The list of DOD Power Platform connectors available can be found below,