

evs.ee at least offers ISO standards at a not extortionate price:
The pdfs do have some DRM on them and they will come watermarked with the buyer details though. The former is easy to get around - I used foxit reader and a pdf ‘printer’ to make a copy that opens nicely in anything.
Turned them off, so no.
Given we don’t see much in the way of existential threats here, I figure that anything genuinely big enough to warrant one is something I’d rather not see coming.
Or a test. Or a fault. Or a nothingburger.