Here is an interesting post on using the signature option to hide tabs for certain security groups.

1. Sign in to Maximo as maxadmin;

2. Go to System Configuration -> Platform Configuration -> Application Designer;

3. Select the application that has the Tab that you would like to hide;

4. Click Select Action -> Add/Modify Signature Option;

5. Click “New Row”;

6. Enter the option name and a Description for this sigoption. Make the “Visible?” field = True (checked);

7. Click “Ok”;

8. Apply the sigoption in the Tab:

– Select the tab that should be hidden. The “Log” tab, for example;

– Click “Control Properties”;

– Enter the option name in the “Signature Option” field.

9. Save it;

10. If you go to the application, the tab will be hidden;

11. Go to Security -> Security Groups;

12. Select the group that should have access to the tab;

13. Select the Applications tab and filter the application that you applied the new sigoption;

14. Grant access for the new sigoption;

15. Save it;

16. Sign out and Sign in to test.  [IBM Support]