Can you post the URL for the printer’s website with the particular requirements?
Adobe PDF is a common format. It’s also most definitely not tied to Microsoft.
Pretty much every text-related tool on Mac can generare PDF output.
Depending on what your printer requires, you may need to include crop lines, marks, bleeds, and related baggage.
You might need to use the PDF/A or PDF/X variant.
Many tools can generate PDF documents. Most.
Some that can be better for print publishing include LibreOffice Writer, Scribus, and Affinity Designer (half-off right now).
But this really depends on your particular printer’s specific requirements.
Here’s a write-up for printing with Lulu: https://connect.lulu.com/en/discussion/33681
Which we don’t (yet) know.