Strangely enough, this PDF appears to be a completely empty document. All I get is a blank, 1/1 page. Have to regard it as, well, not informative...
(Let's hope whatever the error, it gets fixed.)
I've never heard of a 64-bit armv7. So I decided to look it up. Looks like this Reddit thread already said a lot of these things, i.e. armv7 is 32-bit, the document is blank, one of these things (armv7 or 64-bit) is an error: