How do I get an account added if I don't have the user management feature?
Typically there are a select group of administrators within your organization that have been assigned to manage creation of new users. If you need an account added please reach out to them directly.
How To Contact An Admin At Your Company To Get An Account
You can find all the people in your org that can create new user accounts by clicking menu and then the "Need to Add a User" link. Just email one of the administrators on the list to help get you or a co-worker set up with an account.