You can use the default WordPress mechanism to disable or turn off comments on individual post types.
- 1
- On the Add New CPT page, click Screen Options.
- 2
- Make sure the Discussion option is selected.
- 3
- Now, scroll down on the same page. Locate the Discussion section, and uncheck Allow Comments as well as Allow Trackbacks/Pingbacks.
That’s all! You have disabled comments on that particular listing.
Adjust Comments for future listings
Enable comments in the WP Admin Settings at:
WP Admin – Settings – Discussion