2- add your documents to the app from iTune ( little bit time consuming, but good if you are just going to do this once)
3- open a Dropbox account and drop your documents to dropbbox then retrive them from the app. I prefer this way, which allow me to see my file from my cpmuter as well as iPad and iPhone ! it takes time to do it for the first time.
for your second question, I have seen it done once, but never did it my self. Check out this video
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