Absolutely, you have the option to revoke a user's license at any time.
Here is how to proceed:
Go to your account settings and navigate to the User Management section.
Select the user whose license you wish to revoke to open their profile details.
Navigate to the Licenses tab in the profile information.
To remove the assignment of the desired license, simply uncheck the corresponding box on the row of the relevant application.
By following these steps, you will be able to easily revoke a user's access to a specific application.