By default, invited family members can see living information when they sign into your family tree. If you would like invited members to NOT see living information, do the following ...
[1] Sign into your site as Administrator (by choosing Edit in the menu)
[2] Select Privacy under Tools in the menu
[3] Choose "Custom" as your Privacy Level
[4] Pick "Hide" for whatever data you like hidden in the Living Relatives section. Only the administrator can see hidden information.
[5] Click the "Save Privacy Settings" button in the bottom