I've spend the last week looking for a way to do exactly what m1b is describing, being able to reference the active viewport would mean that one can create a script to easily compare several documents without needing to export the files on pdf first to check them in Acrobat.
I've spend the last week looking for a way to do exactly what m1b is describing, being able to reference the active viewport would mean that one can create a script to easily compare several documents without needing to export the files on pdf first to check them in Acrobat.