Updated July 31st 2020
Here is an overview of the different roles in Classic and in the UX.
Disable and Enable Tenant users and assign Page Builders
Manage Workspace users and assign Model Builders and Users
Manage Model Security
Build Modules, Line Items, and Formulas
Build Saved Views
Enable Personal Saved Dashboards by Model
Enable MyPages by Model
Build Apps and Pages for Desktop and Mobile
Build Custom Views
Manage Card Template Library
Convert MyPages to an App
Manage Page access by Roles
Create Notify Actions
View Pages on Mobile
It's important to keep in mind that these roles may not be mutually exclusive; a user can have multiple roles.
Nice summary @GrahamJordan - Thank You!
Interesting! So it seems a Model Builder can edit the Page Access? By editing the page?
@francoismarceau A Model Builder would be able to edit page access by role.
Go into design mode and click on page options -- you can determine which roles can see the page