If you want a straight yes-or-no: you can, but the how matters a lot to me. 'Infomocracy' by Malka Older is commercially published, so the safest, most respectful route is to get a legitimate copy — that might be an ebook you buy from a retailer, a PDF the publisher supplies in special circumstances, or a loan from your library's digital collection.
I've hunted down digital copies before and here’s what I do: check your local
library apps like
Libby/OverDrive or Hoopla first; many libraries lend
ebooks and sometimes
pdfs or
epubs you can read on your device. If your library doesn't have it, look at major retailers (Kindle, Google Play, Apple Books) where you can buy an ebook; those are often in EPUB or proprietary formats rather than a plain PDF, but they work fine on most readers. Tor/Forge titles sometimes appear as EPUB or Kindle files rather than raw PDFs.
If a site offers a free PDF download outside those channels, my gut says avoid it — piracy hurts authors and can carry malware. If you specifically need a PDF (for accessibility or printing), ask the publisher or seller; sometimes they can provide a PDF for academic or accessibility reasons. Personally, I prefer supporting authors so I can read guilt-free and enjoy the story without worrying about sketchy downloads.