You can use the one-page template as complete documentation for your products. A slider on the top will denote the amount you have studied on the page. A progress overlay on the left column also represents the progress of one topic.
You can press CTRL+F to search within the document. It will act as the browser does. An instant searching experience. Overall, this is a proper solution if you document is not scattered around multiple pages.
Auto-embed links allow the user to have the ability to automatically embed any Youtube videos, Twitter tweets, Imgur images, Vine videos, and Instagram photos directly into topics and replies. This is powered by the oEMBED feature inside of WordPress. For a full list of what oEMBED supports in bbPress and WordPress go here.
To enable the ability to use oEMBED on bbPress topics and replies:
[direction]Settings > Forums [/direction] in the WordPress backend
Forum Features section make sure “Embed media (YouTube, Twitter, Flickr, etc…) directly into topics and replies” is enabled