This article gives instructions on how to assign permissions for pages and subpages with Live Edit.

Instructions  

1. Navigate to the page you wish to set permissions for.
2. Ensure that Live Edit is ON.
   
3. Select Properties in the vertical tabs.
   
4. Select Permissions.
   
5. Select the groups that should have access to this page.
   
   
   • View: Viewing rights only
   • Author: Ability to create and edit items, but cannot publish
   • Publisher: Create, edit, and publish items
   • Owner: Full rights to the page.
6. Click Save Page Changes.