Commissioner - User that created the draft. Can change any draft settings, import a Draftlist and has full access on the Draft Board.
Auctioneer - Cannot change any settings or import a Draftlist but has full access on the Draft Board. The device logged in as the Auctioneer should be the device that is projected/displayed on draft day.
Team Owner - Can access the draft to see the countdown, rules and run/download reports (including the draft's Draftlist). On draft day once the Auctioneer has started the draft, Team Owners can access the Draft Board to view Summary or Detail view as the draft is in progress.