It's not "safe," no - not categorically. It can be, but, since PDFs are misused, it usually is not. I am finishing a giant piece for Zeldman on this topic. But I will say this: The Human Rights and Equal Opportunity Commission is totally wrong about PDF, and anybody in Australia who's hauled in front of them to answer for their "inaccessible" PDFs really should read my upcoming article, and possibly fly me down there to face off against HREOC mandarins in a hearing. | 
Is it now safe to assume that PDFs on sites can be 
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