Yes to pics. But yes also, to the fact that you should always be worried about rust on older vehicles. Especially Broncos!
I've told the story before, but when I bought my '71 it was literally just five years old. And it already had rust-through spots on the kick panels and floor boards!
Surface rust? Not a problem. Rust-through, still not a big problem if you don't mind fixing it yourself. Having someone else do it ruins any idea of having gotten a good deal on the initial purchase.
If you see bedliner all over the body, especially the floorboards, make sure to look closely underneath to find out if they're hiding anything. Most here use the phrase "run away fast!" when talking about Broncos with bedliner.
And to reiterate... Post some pics please.
Paul