By using the Add User or Add Groups link on the Access Control panel you can create documents that only selected individuals or members of a predefined group have permission to see or edit.
To add an individual user click the Add User link located under Individual Users and a dropdown menu of all registered users for the site will appear. Click the name to add and it will appear on the list under Individual Users.
To add a group click the Add Group link located under Groups and a dropdown menu of all groups for your site will appear. Click the group name to add and it will appear on the list under Groups.
The Child Document Options box allows the document author to set the Access Levels for any child documents of the current document. Use the Add button to give all child documents of the current document Access Levels defined for the current document. If the Access Levels of a parent document have been modified and you want all child documents to use these new settings click the Replace button.
Note that using the Replace button cannot be undone.
Once you have set the Access Controls for a document click the Save & Exit Document Configuration button to save your settings.