Comment moderation gives you control over the comments users leave on news posts. If comment moderation is enabled, every comment posted will have to be approved before being visible to all users.

  1. At the top of your dashboard, click the module access icon > Administration > Settings > General settings to open the General settings page.


                                     Fig 1.

  1. Select the Enable news comment moderation checkbox.

  2. Click the Update button.

For more information, watch this-