I have rasterized 6 illustrator files in Photoshop and saved as PDFs. They display fine on 3 computers at home in Reader. But when i go to kinkos or Alpha Graphics a blank page appears with an error message about a drawing problem when opened in Reader. However the photoshop pdfs will open in photoshop at the service bureaus, but not in Reader. i went home and carefully converted and saved AI files as Photoshop PSD and took care to put them on flash drive correctly and eject usb volume the right way. I have never had this problem before and service bureau employees were stumped. they figured just resaving, renaming and being carefull with flash drive would solve problem, but no.