The first line of every PDF document is a file header with the characters “%PDF-“ followed by a version number, shown as “1.n,” where “n” would be a digit from 0 to 7. So the first line of a PDF document might look like this: %PDF-1.7 The... Read More

You can specify an earlier version if you like, but this does not actually affect the metadata content that is generated for the PDF document. What you are doing is changing the version number so that the document will pass review. This change does... Read More