1. If your story is too long to fit, you can just increase the size of the box so that there is no over matter as shown in the screenshot and let it go beyond the pasteboard (PasteBoard.png)

  2. Please find below the URL for the vertical scroll Text columns http://docs.appstudio.net/display/AppStudio/Vertical+scrolling+text+columns

  3. It will show in the actual iPad Preview App, please make sure to change the orientation as it might be possible you have created in Portrait and Ipad is in Landscape or vice versa. Recompile the page on the browser if required