Here are the steps to removing your Comments plugin from specific posts or pages.
(The same steps apply to remove the plugin from ALL posts or pages)
Log in to the dashboard with your username and password.
Go to settings tab:
Go to block widget:
Enter the rejex (regular expression) URL, as you may see in the following examples (also in the page itself):
^http:\/\/vicomi.com\/block -will block every url that starts with 'http://vicomi.com/block'
^http:\/\/vicomi.com\/block$ -will block the exact url 'http://vicomi.com/block'
block -will block every url that contains 'block'
After adding the URLs, press "save".