I have two multi page (mainly containing drawings) pdf approx 80MB each.
File A, is a scanned file with approximately 60pages, whereas File B, is a published file from (I assume an CAD system) with approx 400pages.
In File A I can scroll and zoom very quickly and page rendering delays are almost zero. Whereas in File B scrolling to the next page takes 10s of seconds. My job requires me to "flick" through the drawings and zoom in and out very often and therefore making the use of Acrobat and PDF very difficult. These type of files are needing to be printed, which cause great delays at the printer.
Understanding why it happens may help in the next step of reprocessing of the PDF to increase the rendering speed.
Thanks.