Advanced Disable Comments Plugins:
Disable Comments WPZest is a powerful and easy to use plugin, it allows administrators to globally disable comments on any post type in one click (posts, pages, attachments, etc.)
But sometimes you feel that some specific posts comments should be ‘Turned On’, this following feature is available in this plugin, You can enable/disable comments for particular post by clicking on “Star Icon” (Green / Red) under Post -> All Post.