Open the Facebook app or website
Go to the post you want to edit
Click or tap the three dots on the post
Select Edit audience or Privacy settings if available
Choose who can comment, if the option is shown
If you are using a Page post, open Page settings or post settings
Select Settings and privacy
Go to Followers and public content
Find Public post comments
Change the comment setting to Friends or Friends of friends
For a Page post, use the post’s settings to limit who can comment
If no direct comment control is available, delete the post and repost with stricter privacy settings
For group posts, change the group’s posting and commenting permissions in Group settings
