Capturing print output as vector format (PDF,SVG,EMF,etc.), Hook all Windows Printers and Export spool files to Vector formats

BACKGROUND

I am using a commercial application on windows that creates a drawing
This application allows only two output options: (1) save as a bitmap file and (2) print to a printer
The bitmap is useless for my purposes - I want the vectors
Looking at the print output (I sent to the Windows XPS print driver) it seems clear based on the amount of zooming I can do without loss of detail that the underlying vectors are being send to the print driver
Once I get the vectors, I will be writing some code to transform them for some other use.

MY QUESTION

What are my options for getting the vectors from the print?

OPTIONS I HAVE THOUGHT OF SO FAR

Take the bitmap and use a program like VectorMagick to. I have tried this approach. It does not produce the fidelity I seek even when the original bitmap is large. Practically speaking I believe that using any tracing approach will not give me the quality vectors I need.
Print to the Adobe PDF driver. This technically works. I have Adobe CS4 so I can print to it save the resulting PDF and then import the PDF into Illustrator and then export as some other vector format. The problem with this approach is money/licensing. I own a personal copy of Adobe CS4 - so this is fine for me. But I need to capture the vectors at work for business purposes - and no I'm not going to install my personal copy of CS4 at work.
Is there a "print driver" that captures the print output directly into a vector format? I have seen some commercial ones via google. If you've used them, I would like to hear about your experience with this technique. I could write my own and in that case do you have links to any existing code that I can start with.

Customer

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VeryPDF docPrint Pro v7.0 includes a function to hook spool documents for all Windows Printers, it works by following workflow,

docPrint Pro install a Printer Hook Control => User Print a document to "Microsoft XPS Document Writer" => Printer Hook Control redirect this document to docPrint => docPrint saves the print document to PDF and Text file => redirect to original "Microsoft XPS Document Writer" again => OK, Finished.

You can download and install docPrint Pro v7.0 from following web page,

https://www.verypdf.com/app/document-converter/try-and-buy.html#buy_pro
https://www.verypdf.com/artprint/docprint_pro_setup.exe

after you install docPrint Pro v7.0 successful, you can run following command line to install HookPrinter and set necessary options to the Hook Printer Control,

"C:\Program Files (x86)\docPrint Pro v7.0\artprint.exe" -hookprinter

You can click "Install HookPrinter" button to install HookPrinter first, and set some options, click "Save&Close" button to close the dialog. After that, you can print a document to any Windows Printer, HookPrinter will capture this print job and redirect to docPrint, docPrint will save document to PDF or other formats in specified folder, and then re-print the document to original printer again.

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