When a public user submits a form with an uploaded document, the forms stores the document in the repository as a LF user.  The user should be saving the PDF and generating pages. Images should be saved at 300dpi. 

They have set the following attributes:
GeneratePagesDirectImageExtraction = False
GeneratePagesMonochrome = No
GeneratePagesPreservePdfAnnotaions = No
ImportPDFPages=Yes
PdfImportMonochrome=No
PdfImportResolution=300
PdfImportOption=0

When opening the original PDF in Acrobat, the images are showing as 8.8 x 11 at 300dpi.  When they are run through the process, they are stored at 72dpi.