I've played with it a bit. I've never embroidered on it but I really don't think you'd need any sort of stabilizer unless you wanted to pin the kraft-tex to a hooped piece of tear-away rather than trying to hoop it directly. It might be hard to hoop it properly due to the thickness and stiffness.
It's really good tough stuff. I ran a sample piece through my washer and dryer a few times and kept it by my computer so I could try to rip through it in idle moments. I never could get it to rip! I was able to peel it apart in layers, but I couldn't rip through it ever after worrying at it (twisting it around, bending it, rubbing it, trying to fatigue it) for several days.
Running it through the washer & dryer gave it a worn and leathery sort of look that I liked better than the raw/new appearance. It also made it a little softer and easier to deal with, but it's still very stiff.
It's pretty cool stuff, if you ask me.
I bought it to make faux leather tags, and also enough extra to experiment with making some bags (which I haven't gotten around to yet...)