Nop, you can have only access to one creative cloud account at the time, but you can log out of your account and enter with another user.
Why do you what to have multiples accounts?
Team license links that may help
-team plans https://creative.adobe.com/plans?plan=team
-https://helpx.adobe.com/contact/creative-cloud-teams.html for Team help
-manage your team account http://forums.adobe.com/thread/1460939?tstart=0