If you haven't already, you should check out the Hidden Data Role in SAS Visual Analytics 8.2. As cited in a community article by @SteveMellgren, there are three ways to use hidden data roles:
The third use - for external links - is outlined in the blog post, The power behind a Hidden Data Role in SAS Visual Analytics, by @TeriPatsilaras_sas. You're going to want to check it out.
Read the blog post