Reviewer getting their own access review under Identity Portal, Identity Governance
By default, IP and IG allow reviewer to access their own resource.
Release : 14.2
Component : CA IDENTITY SUITE (VIRTUAL APPLIANCE)
Change certification.preventSelfApproval to true by following steps
1) Go to Home > Administration > Settings > Property Settings
2) Search for certification.preventSelfApproval
3) Modify the value from False to True.
4) Save the Setting.