The issues on the Absolutely MAD DVD (1952-2005) are just plain PDF files, no DRM, they work perfectly

https://files.catbox.moe/x4np6u.png

I have MAD archives somewhere. I thought they were in some standard format but maybe not.

A lot of the gen 1 or so CD content isn't easily accessible although a more industrious person could probably get to it in some manner.