No, multiple users can’t share the same account/license.
The problem with shared accounts is that your data and scan results risk being corrupted if other users log into your account while you are logged in.
For example, you may be in the process of running a scan on the simulator or completing a course. If another user then logs in, you would risk being logged out and losing all your current progress.
Another problem with shared accounts is that it messes up course progress and simulator usage statistics. With shared accounts:
For these reasons, each user needs to have an individual account/license. This ensures data does not get corrupted, and that course progress and simulator usage can be attributed to the right individual.