2) If you need to resync, you can select the Initiate sync now from the blue button in the left hand corner. This will take a few minutes to refresh.
3) If you still are not seeing the changes, we use the Microsoft Graph API and specifically the /reports api endpoint to pull user/license information. Unfortunately, this endpoint exposed by Microsoft links to a snapshot of data... and we've seen it can be anywhere from 1 to 7 days old. Because of this, it might take a couple of days for you to see the updates come thru the Microsoft API, and into the LCI platform. (You can confirm here the last Microsoft refresh date)