The plugin allows you to assign forum to every product you have in the Knowledge Base. This way, you connect knowledge base with support forums. And, to help with that, the plugin has a widget that can detect and show the related product.
You can use this widget in knowledge base and forums, and it will use forum assigned to the product to match what are related products. This way, users can easily navigate from knowledge base to forums and vice versa based on the product connection to the forum.
This is used on Dev4Press support websites, and on the image on the right, you can see customized version of this template.
Another way to integrate knowledge base with bbPress is by adding Live Search into the new topic form in the forums. It will look like this: