Only the first page, the rest is blurred and has to be paid for.
Let it load...
They are using tricks. When I tried the first time the pdf was blurred and the page automatically opened the payment menu. On the second try it showed the entire pdf, disallowing download.
It loaded completely for me the first time, but doesn't allow download.
A step toward open access, but they're still trying to claim copyright and control the work of others.