Visibility: Allowing more people to see my page
Change who has permission to view your page by adding more users or groups.
Choose the Advanced link from the Page Options menu.
This will display the Change Permissions box. The list of people who can currently see the page is displayed next to the Who can see this? heading. Choose Add to add users or groups to this list.
The Add Person or Group screen will appear. Type the name of a person or group, or select from the pre-populated lists. Multiple groups or people can be added.
Your changes will be be reflected in Who can see this? Select Done to save them.