Yep, includes PPV - I watched the AJ v Ruiz on my IPTV service, perfect quality and no buffering.
Obviously, sometime you get the odd issue, but for what you pay you can accept it from time to time!
It's not the Odd issue though, everybody i know whos a big UFC / Boxing fan that has some sort of IPTV always just buffers / give them **** so they just end up ordering for 19.99£ anyway. Also you have to remember AJ is a super duper star they will make sure the stream is stable for a AJ fight as many people will be wanting to watch it, the average PPV with no superstars on it won't be under such good control.
Crackstream / Ripple.io are the places, 1080P/ 60 FPS, maybe drops 1 time during a 6 hour UFC event and if it does, just go over to the other website and it will be fine.
Heard nothing but trouble with them IPTV for PPV events, i wouldn't bother with it personally,, heard they are **** HOT for Tv shows etc but i don't really watch to much TV.