Yes, Magento 2 Blog Extension can moderate comments automatically. The extension lets you hold comments for approval, auto-approve trusted users, or block spam with set rules. Webkul's Magento 2 Blog Extension also work with reCAPTCHA or Akismet to reduce fake posts. This helps store admins save time and keep discussions clean. You can choose automatic moderation for speed or manual review for control. Both options help maintain a professional and engaging blog environment on your Magento 2 store.
Check out more details at: http://webkul.com/blog/blog-manager-for-magento2/