Yes - always include a link to your tracked site. Without a link, visitors won’t be able to click through to learn more what you are posting about and Beacon won’t be able to report on the true success of your post.
For example, if you a promoting a blog, you’ll want to include a link direct to the blog on your website, and Beacon will be able to tell you how many visitors read the blog, how many just looked at the headline and left and how many went and looked at other parts of your website.