How to inhibit the possibility to display feedback provided by employees to the HR Specialists

Summary

How to inhibit the possibility to display feedback provided by employees to the HR Specialists

Content

I went into Me -> Career and Performance -> Feedback -> I clicked on "Add" action in the "Feedback given to me" section -> I entered a feedback then I selected the option 'only for Managers" in the field 'Who can see my feedback'. However I noticed that when I log in as a HR Specialist (I provided to my HR Specialist user only the following roles: Employee seeded role, Human Resource Specialist job seeded role and a human resource specialist data role assuming as inherited Job role the Human Resource Specialist job seeded role), then I search for the