I have just bought the pro version and find that in landscape mode, no text is visible when using Word to Go. No problem in portrait mode. Worked fine with demo version.
Also applies to calendar.
It seems that the text may be appearing out of the screen area.
This must be a bug with your software as the problem doesn't apply with the standard keyboard.
Operating software up to date (version 3.2
displaying text inlandscape mode on Xoom
Re: displaying text inlandscape mode on Xoom
Worked out how to solve this -there is a setting in landscape "no fullscreen in landscape mode". Switching this on does the trick