Utilize the Kudos and Feedback function to post private notes in employee records for Managers and HR only to view.
To Add Kudos/Feedback Notes
From the dashboard or an employee's Kudos/Feedback screen, click "Give Feedback".

Add Comment
Add the comment selecting whether you want to hide your name. Then select "No: Visible to direct manager and HR only" so the comment employee cannot see the comment.

HR and Managers Can Click "Edit" to Modify The Comment

Manager View Calls Out What Is Visible or Not

Employee view hides feedback they are not allowed to see
