KenDuesenberg hi...
Roland doesn't have yet any kind of released software specifically for XV. As i understand you mean an editor-librarian. I don't think that Roland will introduce this kind of software soon. But soon or later a third party maybe do that.
On XV88 smartcards hold user sound patches and not samples. On XV5080 you can save preloaded samples on its smartcards.

Anyway if you need more info take a look on Roland's web sites though information on them is limited to a few pages only.
http://www.rolandcorp.com/worldwide/products/NAMM2000/XV-series.html