Most are aware that iWork does not support Dropbox. It does however support WebDAV. I used DropDav back when it was free to pull and save files easily to Dropbox. Now they want $5 a month which is ridiculous! I did some searching and found SMEStorage in the app store. It's a one time cost of $5 and they email you instructions once you register on how to setup the WebDav for DropBox. Now all my iWork apps work great with Dropbox! If you have been looking for a way to get iWork and Dropbox to work together you should check it out. The app also allows you to do other things but I'll have to explore those later.