Hi JefConners,
Do you have a cross domain policy ( Setting crossdomain.xml file for HTTP streaming | Adobe Developer Connection ) setup?
You may want to customize Reader and put the trusted locations entries into Customization Wizard and they appear in the registry under HKLM/Software/Policies/Adobe....
Please refer : 9 Trust Methods — Acrobat Application Security Guide
8 External Content Access — Acrobat Application Security Guide
Regards,
Rave