Open Facebook and go to the post you want to manage
Tap the three dots on the post
Select Who can comment on your post
Choose Friends, Profiles and Pages you mention, or disable comments if available
For a public post, go to Privacy settings and limit who can interact
For a Facebook Page post, open Page settings and adjust comment moderation options
To restrict comments on a group post, use the group post settings and choose who can comment
To hide or delete existing comments, tap and hold the comment or use the three dots next to it
To prevent comments on future posts, change the audience or posting settings before posting