Here are the different playbook roles:

Administrator - All creating and editing permissions plus the ability to edit users and billing.

Editor -  Can create and edit all cards and playbooks.

Contributor - Can create playbooks and cards but can only edit their own cards and playbooks. 

Participant - View only of cards and playbooks. Can create their own playbook to add existing cards, but cannot create their own cards.

Observer - View only of cards and playbooks. Cannot create their own playbook.

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