Using Excel to merge 2 or more PDF documents Into 1 PDF Document

I see a lot of words like "probably" and "pretty sure" being used. You are 'probably' right, but it is worth asking the question, as maybe someone has figured out a solution before.

Perhaps the key is to use Excel to convert the PDF into a different type of document that Excel CAN merge together, and then convert THAT combined file back into a PDF? It seems reasonable to assume that if Excel can convert Excel to PDF, then Excel can convert PDF to Excel. It then seems reasonable that Excel can combine two or more Excel documents into one Excel document, and then convert that one Excel Document back into a single PDF document [for example].