infosphere data architect 7.5.1

sandeepiii

Iam new to the IBM product Infosphere Data Architect 7.5.1 and i have a
requirement where in i have to communicate business strategy , goals and implemetation to stake holders using design document in PDF from the Model.

The report tab iam select the output in PDF reports , few reports are coming out nicely but some reports the PDF is coming blank.Can you give me any suggestions why it is coming Blank.
Iam just attching the blank PDF File for your suggestion.

sandeepiii

Iam getting this error this document is not pdf/sigQ.Plus it is opening in
preview document mode and is not opening in other mode.Why it is opening only in preview document mode iam unable to understand?