If people reading this PDF have Blackadder in their computers, then that's what they'll see. Most of this software is set up to load quickly by using your resident fonts, and if the computer doesn't have the one you used, the reader will see something substituted for it. If you set up a PDF to save the font to the file it is larger but your computer will then use that attached font to show the file. If you combine the layers and save this file as a GIF or jpg then it will be an image that the computer won't modify and viewers looking at the sample can see the font you've used there.

This search on "decorative texts" will give you an idea why Blackadder isn't a great choice - it's too busy, too distracting. You want the reader to be able to read the words easily, so a serif font is probably your best choice. A search on elegant serif fonts shows you different looks. You probably have something similar to some of these in your font choices, or you can download a lot of fonts for free from some of the places that offer them.

SRS