I worked in a mail house and really liked the editable nature of PS files that we got. We could run them through data processing and easily add/remove/adjust da

I worked in a mail house and really liked the editable nature of PS files that we got. We could run them through data processing and easily add/remove/adjust data. Sometimes the clients would ask us to do it in our monthly work because engaging their internal IT was too much effort, so we simple edited the files in the same way every month automatically before printing. With the shift to PDFs though, it's way harder. Your simplest course to 'remove' data for printing is often drawing a white box on top of it but that but it won't reflow anything. It's more of an append-only format, core editing is possible but annoying, you need to use an actual PDF reader tool for text extraction and parsing rather than a Perl regex, you can't just reorder pages by cutting/pasting around the DSC %%Page: comments, etc.