The unified audit log contains records generated when users and applications apply sensitivity labels to emails and documents. This article explains how to use PowerShell to retrieve the data and create a report to help tenant administrators understand the usage of sensitivity labels.
Microsoft will soon make an update available for Purview Premium eDiscovery to reveal Teams reactions to chats and channel conversations when investigators review the results of searches. The information comes from Teams rather than the compliance records stored in Exchange Online. The new feature isn’t coming to Standard eDiscovery.