I hope you are well today and thank you for your question.
You are using disqus comment on your site and it seems the comments are not synching with WordPress comments so please contact disqus support to sync it.
Ok then would you mind if i log in to your site and do some troubleshooting? If this is ok then could you please share me your site log in details privately by adding them in the box having text “Click here to share private content. Only you and forum moderators will be able to see it.”?