To limit the users who can see a Tab/Section Heading:

1.  Access the Design Canvas for the site.

2.  Hover over the Tab to be limited.

3.  Click on the Tab’s edit button.

4.  Select values within the “Selected Users” and/or “Selected Groups” fields.  For more details, see the “Building the Navigation: Creating a First-Level Navigation Item” section of the guide.

5.  Save the changes by clicking on the green exit icon.

6.  Click on the Publish icon to save the navigation changes.