Facebook API : Permission required to pull feeds on a page -

i confused upgraded permission. different people have different opinion permissions. please suggest me.

1. what permission required pull likes count, reach count, engagement count for page?
2. what permission required pull likes count, comment count, share count on a post mentioned on page?

please me on this.

you need valid access token, if page/post public able number of likers & talking page , number of likes/comments/shares posts. can made using /feed edge page-id , object_id posts different edges.