A CT Sign Hosted Page can be shared with subaccounts. If the subaccounts wants to edit their own copy of the shared Hosted Page they must first Clone it to their own account. The original shared Hosted Page is owned and maintained by the Multi-Level account that originally shared it.

The Cloned Hosted Page is editable by the subaccount.

After you have create a Hosted Page, you can share that page with subaccount using the identified icon in the image just above. When shared, the receiving subaccount will NOT be able to edit the hosted page. All editing rights remain with the originating account.