First visit to this place, very excited to find some 5th Ed data for what has always been my favourite AD&D setting: Athas.
Anyhow, quick reply to help out some previous visitors re: Homebrewery and saving/downloading. Using Chrome certainly IS best. And yes, when you click the “Get PDF” option, a new browser window open and a prompt shows up to print the document. HOWEVER, if you look at this Print prompt, you can change the destination… Initially, it shows up as (whatever you have for a printer). Click on this Destination -> choose Save as PDF.
Voila, problem solved: you can now save as a PDF file.