When you say "Acrobat Catalog", I assume you mean a catalog in the form of a PDF file. Unless the pricing data was stored as form fields, there is no easy way to update the data in the file.
Do you know if your catalog is a static PDF file, or does it contain form fields?
Karl Heinz Kremer
PDF Acrobatics Without a Net
PDF Software Development, Training and More...
http://www.khkonsulting.com