WordPress Comments is a great feature to maintain a stable good communication between website author and audience, WordPress have its own solid commenting functionality and by default whenever you create a new page in WordPress admin, comment form is always visible . But you can disable the comment form on each page individually or Globally.
To Disable the comments specifically for any certain page, via “Quick Edit” button under the each Page list item you can check the “Disable Comments” option. This will disable the comment block section at the bottom of page. in-case you want to disable the comments by default for each page, its easily doable. Navigate to Settings >> Discussion >> uncheck “Allow people to post Comments on new Articles” this will disable the comments form on all new pages by default.