Only Administrators have the ability to manage users
Managing users is really simple. Access the Settings page via the top right dropdown with your email. From their, navigate to the users page.
Roles
Piccolo has a variety of different roles. A user can have multiple roles. They control various different aspects of what you can and cannot do, as well as names that appear in dropdowns. If you are a Cardiologist or Sonographer for instance, your name will appear as a dropdown in the report.
The roles page explains a bit more about each role:
