Yes, I often use SumatraPDF, but there's always those super-complicated Turing-complete documents which use web-based-aunthenticated-signed God-knows-what, that

Yes, I often use SumatraPDF, but there's always those super-complicated Turing-complete documents which use web-based-aunthenticated-signed God-knows-what, that won't open in anything other than Acrobat.