You may also be interested in these articles: How to Accept Delegate Permissions and How to Manage Delegate Permissions.
The delegate feature allows you to grant another Seattle Services Portal user access to your account. You can add a delegate to all of your records or just specific records. You can select which permissions to grant the delegate, including who has access to your account, whose account you can access, and deleting delegates.
The video below shows you how to add a delegate to your account.