EDM SITs can be used in:
Auto-labeling (service and client side) [See note below]
*-> Microsoft Purview Data Loss Prevention [DLP1]
*-> Microsoft Purview Insider Risk Management policies [Insider1]
Microsoft Purview eDiscovery
Microsoft Purview Insider Risk Management
Microsoft Defender for Cloud Apps
Reference:
https://learn.microsoft.com/en-us/purview/sit-get-started-exact-data-match-based-sits-overview
https://learn.microsoft.com/en-us/purview/apply-sensitivity-label-automatically