The PDF generator will create clickable hyperlinks for most hyperlinks. (It just doesn't handle anchor hyperlinks well.) But if you're using PDFs as printed resources, you may want to also display the actual URL of the hyperlink. You can display so...
You can delete a knowledge base you are no longer using. Select your profile icon/name in the upper right and select Knowledge Bases or click on the little owl in the top left of the navigation bar to go to your dashboard. Select the gear i...