Hello,
maybe you can find solution on this link:
https://magnior.com/forums/topic/comments-not-working/
https://magnior.com/forums/topic/comments-appearing-on-standard-pages/
https://magnior.com/forums/topic/how-to-show-blog-comments/
After this if you still have same issue, please send us your WordPress credentials so we can take a closer look.
Cheers :)