Open the Facebook post
Tap or click the share count, if visible
Check the list of people who shared it, if Facebook shows it
Open the post’s activity or insights, if you manage the page or profile
Look at notifications for share alerts
Check the post’s comments for share tags or mentions
Use the post’s privacy settings to see whether shares are visible
If the post is public, view who shared it from the share details when available
If the post is in a group or page, check the group or page activity
Use Facebook search with the post text to find reposts or shared copies