What is a PDF/A?

A PDF/A is an archival PDF that embeds the fonts so that even if the user accessing the file does not have the same font. In other words, it will maintain the font it was created with and keep the proper format.

What is Bates Stamping?

Bates Stamping / Bates Numbering is a way to sequentially number PDF or PDF/A documents with a reference number for locating a document at a later time.