Always it says 'sorry for temporarily problem'

"Server unavailable". And since it's running through a server it certainly will NOT work with 99% of pages as they claim. None of the other addons that use servers work with pages where you have to be logged in.

Actual webpage , Perfactly Convert to PDF..

The right side page was cut a bit due to having borders of 0.5 inch on both side, so far there are no annoying ads, and links are working well.

unable to install add-on due to corruption error.

is android supported? if not supported, please remove from android Mozilla addons website. please see comment 1 https://bugzilla.mozilla.org/show_bug.cgi?id=1367717

June 5th:

please see comment 4, about how to remove from website.

sembra funzionare bene e nel pdf sono anche inclusi i links attivi 10/10