Admin users can access all of EnjoyHQ's functionality.
Collaborators can access most of EnjoyHQ's functionality, except for:
Creating, updating and removing: tags, themes, user properties, and custom document/highlight properties
Delete projects, reports and saved searches created by other users
Invite and remove other users
Manage billing settings
Both Admins and Collaborators are paid users within EnjoyHQ - when you signup for a plan, you receive an allotment of user licenses that you can allocate across both Admin and Collaborator permission levels.
Any document or summary that you make public and share can be accessed by an unlimited number of read-only users.