Generally Yes.

All search engines that crawl your web pages to create an index will also pick up your knowledge items in your knowledge base.  The links retrieved by the search will be links directly to your applicable knowledge items.  The search engine used by the Fuze Suite is more optimized for the content than a site search appliance, however, so your consumers will find it much faster and easier to find information by using the search tools found within the Fuze Suite.