You can add or remove members of your Business Center at any time.
Note: Each Business Center can manage up to 4,000 members. This includes 20 Admin roles and 3,980 Standard roles.
To remove users from your ad account:
Sign in to your TikTok for Business account.
Under the Members tab, select the member.
Click the trash can.
Click Confirm.
The removed members will no longer have access to the roles, permissions, or assets that were assigned.