Cant see comments from others???

On a lot of posts I’m noticing it’ll say “6 comments” or whatever but there are no comments displaying under the original post and it says “be the first to comment.” Is this a feature that people are able to choose not to let everyone see their other comments or is something wrong wrong my app?? It’s happening so frequently lately and it’s really frustrating 🤨🤨 here’s an example...