Issue: Different colors in PDF on Desktop vs Tablet
This page gives knowledge about different colors in PDF on Desktop and Tablet. Sometimes the pdfs exported can have different colors in desktop and hand held devices like tablets. However, this issue can be resolved by exporting the pdf with right settings.
Causes
There are two possible causes for this problem:
Pdf wasn’t exported with RGB as color code
Pdf was exported with a wrong filter
Troubleshooting
The initial PDF export from InDesign or Photoshop etc. needs to be re-done with the right settings. Then the upload needs to be repeated and the colors should be the same on the tablet device.
For RGB PDF, here's a tutorial on how to export from InDesign: http://www.youtube.com/watch?v=sqqayoueS_A
For Quartz Filter problem: Try once as Generic PDFX-3 document, if the colors are still different try to export as web version PDF. The export options will look like this or similar:

Important: If these steps don't solve the color differences, please contact Pitcher Support with the file ID of the PDF document.