To get approved to "publish_pages" permission please complete notes in Facebook developer console.

Details to be filled in textarea:

  1. Go to https://app.rubo.io
  2. Login with credentials, email: {your emails}, password: {your password}
  3. Click on one of the project.
  4. Click on “Responses”
  5. Click on “Comments”
  6. Click on “Add new autoreply”
  7. Configure auto reply.
  8. Comment on page post.
After filling all details click Save button.