alrumich--
You don't have to use the Sony software to move your file to the SD card. The reader should scan the card when it's inserted or the reader is turned on and automatically see it. Not sure why that didn't work for you. Maybe the display model you were looking at had some issues.
Have you tried downloading the Sony software from their website and then displaying your document in it? That should give you a rough idea of how it would appear on the reader.
dordale