To hide comments:
- Click and open your original post.
- Tap the "..." on the top right.
- Tap “Settings"
- Tap "Permissions"
You can choose to turn off comments altogether, or just allow commenting from certain groups of people.
You can also hide comments on your post prior to publishing the post:
Quick Post:
- Create a Quick Post
- Tap "Permissions"
Advanced Post:
- Create an Advanced Post
- Tap "..." on the bottom right
- Tap "Permissions"