By disabling comments the moderator can bar any user from commenting on an idea. It is the moderators right to decide if commenting should be allowed/disallowed on an idea. By default comments are allowed on an idea however, the moderator, from the front end can disable comments on an idea. A standard user will not see "Comment" tab on the idea page.
HOW TO DISABLE COMMENTS
1. Click on the "Moderate Idea" button on the top right corner of the idea for which comments are to be disabled.
2. Click on the "Disable Commenting" button
A message will show at the top of the screen confirming that commenting has been disabled.
HOW TO DISABLE COMMENTS ON CAMPAIGN
Administrator can disable commenting for a specific campaign from Community Settings>>Engagement>>(Select Campaign) Edit>>Basic Information>>Behavior and Permissions>>Disable Commenting (Enable the Switch) and hit Save button.
HOW TO DISABLE COMMENTS ON FUNNEL
The administrator can disable commenting on the Ideate stage, this can be achieved from Community Settings>>Workflow>>(Select funnel and Expand funnel) Edit>>Edit Funnel>>(Edit Ideate Stage)>>Stage Specific Setting: Ideate>>(Switch Off)Enable Commenting and hit Save button.
Please Note: Commenting can be enabled/disabled only on the Ideate Stage when it comes to Funnels.