It's very hard to answer your question without seeing the actual documents. "won't let me" also does not give much information.
Performing small changes to a PDF (like font / size) is sometimes easier achieved with Acrobat than converting the document to Word. (Unless it's a scanned image rather than actual text.)
Anyway, I will move your post to the proper forum, where they know more about document conversion.
[topic moved to ExportPDF forum]
