title: Acrobat Reader DC Comment Frame Disabling
body: <p>Is there any other way to disable comment frame that's on the right section? Whenever I open a PDF file to read, it is being opened comment sidebar. I couldn't find the solution in the preferences.</p>
  
  <p><img src="https://i.stack.imgur.com/m647Q.png" alt="http://zinzinzibidi.com/img/adobe-reader-sidebar.png"></p>