Why Do Posts And Comments For Some Users Appear on Facebook But Not Sprout Social?

If a Facebook user turns off access to third-party platforms, you will not be able to view their posts or comments outside of Facebook.com. This Facebook security setting prevents Facebook from sharing any data with external platforms.

Read more information about this Facebook security setting

Is there any way around this?

Due to Facebook’s privacy settings, the only way to view and reply to these posts is on Facebook.com.