I cannot spend them either, only options for DLC that cost money... i keep checking as it seems like some people eventualy get access to spend them but, i got like 175 ration seels would love to spend them! this is pretty stupid considering how long this problem has been going on for. I expected this to be a recent problem, but its been going on for atleast 6 months!
Just picked this up the other day, too. Got to a bench, checked my ration seals, went to the DLC menu, and there's no option to buy resource packs at all.
Waiting for official word on this.
I read somewhere that EA removed them. I don't know if it's true, but if it is that's a bad move on their part.
