Reference:
Oracle Doc ID: 1300872.1
Help Diagnostics Examine is Missing from the Help Menu
If your Oracle Applications does not show the Help > Diagnostics > Examine menu in Oracle Applications (as pictured below), please contact your System Administrator or if you have 'System Administrator' responsibility, then follow the instructions below.
Navigation:
System Administrator --> Profile --> System
Query for Profile: Utilities:Diagnostics
Click Find.
Set user level profile to 'Yes'. Save.
Query for Profile: Hide Diagnostics menu entry
Click Find.
Set user level profile to 'Yes'. Save.
Log out of the Applications.
Log back in and verify that Help > Diagnostics is now available.