Scenario
User would like to show a portlet that displays list of Saved Search results on a Custom Tab associated to a Custom Center and Custom Role.
Solution
To add the portlet on the Custom Tab:
Login using the Administrator role
Navigate to Customization > Centers and Tabs > Center Tabs
Click Edit link beside the Custom Tab you would like the portlet to be visible
Go to Content tab > Portlets sub tab
Select Shortcuts on Type column
Click Add
Click Save
To get the link of the Saved Search result:
Navigate to Lists > Search > Saved Searches
Click View link beside the Saved Search
Get the URL link of the Saved Search result on the Address bar of the browser
To add the link on the Shortcuts portlet:
Login using the Custom Role where the Custom Tab is associated
Hover your mouse to the button on the corner right of the Shortcuts portlet
Click on New Shortcut link
Paste the URL of the Saved Search Result on the URL field
Enter Name
Click Save