Facebook group/post API: Why can't users see posts?

Question

PHP

I use the Facebook API to automatically post news from the site to the group. Published from under the creator of the group. Everything works fine, in the sense that I see that the posts appear, but if you log in as a different user, then these posts will not be visible.
Tried publishing via Graph API Explorer . Everything worked here. Then it is clear that the problem is in the settings of my application. But what?
I made a request for the following access: user_managed_groups and publish_actions.
PS I understand that when publishing through the application, posts are arranged worse by Facebook.

Answer 1

The answer lies in the fact that your application has not been published:
application ->status&review
For publication, you need to write to support.

Answer 2

Under 'App verification', set the option 'Make 'APP NAME' publicly available?" -> "YES". Link: " https://developers.facebook.com/apps/ID_APPS/revie... "