...
If you had enabled the feedback feature and choose to disable it, please note that the users who provided feedback and users who have Confluence Add/Edit Pages permissions can still view previously-provided feedback.
...
Users with Confluence View Permissions can see the feedback they provided. They can’t see others' feedback.
Users with Confluence Add/Edit Pages permissions can see everyone’s feedback.
Users with Confluence Add/Edit Pages permissions can mark feedback items as resolved or revert their status back to unresolved. The users who gave the feedback can edit or delete their feedback.
...