There are definitely benefits to bringing Dynamics data into Microsoft Graph to enhance knowledge/RAG, but I'm not sure you can evaluate it side-by-side with Copilot for Sales, which does a lot more to integrate sales data (from potentially multiple Sales/CRM systems) into places like Outlook, offering add-in functionality, plugin functionality, etc. I don't think we have a "connector vs. Sales Copilot" comparison handy... :(

Graph connectors are intended for non-Microsoft 365 data sources, but there are 2 pre-built Graph connectors from one of our partners. You can find these here: https://www.microsoft.com/microsoft-search/connectors/?category=&query=dynamics

Graph connector data is ingested into the customer's Microsoft 365 tenant and is subject to security, compliance, and privacy similar to data stored for Exchange, SharePoint, Teams, etc. You can read about the Graph connectors Terms of Use here: https://learn.microsoft.com/microsoftsearch/terms-of-use

There are a few pre-built Graph connectors that connect to on-premise data. You can read more here: https://learn.microsoft.com/microsoftsearch/graph-connector-agent If you are building a custom Graph connector, if you can make a Graph API request you can ingest the data to a Graph connector.

Yes it is possible to connect to Confluence data sources using the Graph connectors https://techcommunity.microsoft.com/t5/microsoft-search-blog/what-s-new-in-microsoft-graph-connectors-nov-2023-edition/ba-p/3984398