Hello,

You can disable the comments from Settings >> Discussion. On this page, you need to unchecked the option that says “Allow people to post comments on new articles” and then click on the Save Changes button to store your settings.

OR

To hide the comments area from the post pages. You can also use the below CSS code in theme settings >> Custom CSS >> Global custom CSS area :

.single-post .comments-area{
display:none;
}

Best Regards.