How to check ‎Teams‎ setup status for users to whom the invitation link was sent in Office 365?

Step 1: Sign into Office 365 admin portal via https://portal.office.com

Step 2: Click on Admin icon and navigate to Users > Active users.

Step 3: Click on the three-dot icon on the top of the page.

Step 4: Select ‎Teams‎ setup status from the drop-down.