Northern Trail Outfitters uses Knowledge Articles to address customer questions in their Napili Community.

Build a custom Community page that shows the Knowledge Article and have custom fields to capture customer comments.

Create a customer survey using custom Lightning components and add it to the home page.

Redirect customers to a survey form in an external website that captures their comments on the Knowledge Article

Enable the article voting property on the Article Content component in thearticle detail page in the Community Builder