1. Open Settings → Team.
2. Click Invite Member.
3. Enter the new user's email address.
4. Pick a role: Admin (full control), Reviewer (submit and sign off), or Viewer (read-only).
5. Click Send Invite. A pending profile is created and the invitee receives an email with the sign-in link.
6. The new user clicks the link, sets a password, and completes the short onboarding wizard.
7. Their status flips from Pending to Active in the Team table and they are redirected to the Review Queue.
8. An organization must always have at least one Admin. Role changes that would leave none are blocked.