1. Try logging in with one of user's login credentials
2. Go to Settings module once logged into system successfully
3. Select "Logged in History" option
4. A list of current user logins will appear
5. Select either one or all logged in record(s) and click on 3 horizontal lines at the right top
6. And click on "Terminate Session" or "Terminate All Sessions"
PFA for your reference...
Note: Always logout from system in appropriate way by clicking on "Logout" option
PFA for your reference...