No but the PO can see it. Don't think it makes much of a difference when sending to somewhere like the DVLA, though, you'll not know who should be signing for it.
Besides, it's £1.72 I think for a recorded letter, it's £6.40 for SD. I know if it's high sensitive documents SD is the best way to go, but seeing as it was received, the extra tracking that SD provides is irrelevant.