New knowledge bases have comments enabled by default, but you'll still want to configure them. Follow these instructions to make sure comments are set up in a way that makes sense for you!
In the Recommended tab ( Widget 2.0 ) or the Suggested Articles section ( Modern and Legacy widgets ), the recommended/suggested articles are populated using the Pages to Recommend On setting. But how does the widget determine the order to display...
This section displays the Page Paths of all pages where someone opened the widget and/or where recommended articles have been configured. You can then use the Recommended Article Weights link next to each URL to update the order. ...