PrestaShop 1.6.x How to manage blog comments

1. In your PrestaShop admin panel go to Blog -> Blog Comments section:
   
2. To remove any comment, go to it and click on the arrow next to Edit button. A Delete button appears. You can click it and the comment will be deleted:
   
3. To change any comment, click the Edit button:
   
4. To Select/Unselect comments or Enable/Disable some selected comments, you need to click the Bulk Actions button:
   

Hopefully, this tutorial was helpful for you.