The primary or owner account can give teammates full access to "View & Edit" "all modules" for "all properties" (How to Add a Teammate).

However, there are a few limits on what they can't have access to, including:

Teammate accounts also receive all of the same notifications that an owner account does, with the exception of:

Notifications for the teammate account can be managed in much the same way as an owner account. See more on that here.