If your campaigns are not working, before contacting support, please check the following points :
1- Go to your connected post(s)
2- Make sure you are commenting as yourself and not the page.
Comments from the page on its post are blocked.
3- Write a comment.
4- Wait 10-20 seconds and refresh the page to see public comments and reactions.
Check your inbox for private messages.
5- If it does not work, contact email@example.com