BackstoryMagazine ... your viewer is a 32.0.3 version that was build on 25th September 2014 and I suspect you may be running into a download issue that we fixed with v32.1 (Digital Publishing Suite Help | DPS Bug Fix Release Notes) - see below:
v32.1 Bug Fixes September 29, 2014
Download failures of large files With v32 iOS apps, downloading large assets over a slow connection caused a timeout to occur, resulting a a failed download. Specifically, this issue occurred when a portion of a folio took longer than 120 seconds to download to the device. This issue was fixed with the v32.1 release. The fix is to rebuild and resubmit your iOS app.
You'd have to rebuild your viewer and resubmit.