You use template "Elementor full width". It's not template of theme and it doesn't have comments

You didn't send screenshot of settings for page

Please, create topic according guidelines, with all information, links, screenshots. This will allow us to understand your issue and give you more better and fast answer. 

https://sizamtheme.support-hub.io/articles/how-to-write-to-support-if-you-need-technical-help

After allowing the comment on page section, Comment can't show?