It could be that the content you're trying to share isn't compatible with FB story. Or, there might be an update issue with the FB app. Check these aspects and see if it helps.
Sometimes, FB has temporary glitches or restrictions. Also, make sure you have the latest version of the app and that you have the necessary permissions to share to the story feature.
Maybe there's a technical glitch or a compatibility issue between the two platforms. Sometimes updates or server problems can cause this.
Maybe there's a glitch in the app or a connectivity issue. Try restarting both apps and your device to see if that helps.
Maybe there's a problem with your internet connection. Check if it's stable.
It could be because of a problem with the Facebook app itself. Try uninstalling and reinstalling the app. This can often fix glitches that prevent you from adding music.
Maybe it's a privacy setting issue. FB might limit the visibility of all viewers for certain reasons.
Maybe there's a glitch in the system. Sometimes Facebook has technical issues that prevent you from seeing the story viewers.
Well, sometimes FB has certain rules and policies regarding music usage in stories. It could be that the music you chose doesn't comply with their copyright terms. Also, check if your internet connection is stable as that can affect the ability to add music.
Maybe there's a glitch in the FB app. Sometimes these things happen and you just need to wait for an update to fix it.
Maybe it's a glitch in the system. Sometimes, Facebook's interface can have temporary issues that prevent you from seeing your viewers.
It could be because Facebook has certain privacy settings in place that prevent you from seeing this information. Maybe it's to protect the privacy of the viewers.