I've always wondered about this tree too. In particular, I wondered why from Lloyds would be a complement. And so I asked Geoff Pullum, who replied that he thinks that salary doesn't take complements. In other words, it's a mistake.
There is no real linguistic definition of a “pronoun”.
Grammatically, however, words that are often called “pronouns” in Japanese behave in an identical distribution to any other normal noun.
But, there are a couple of words in Japanese, specifically those whose nominal form ends on /-re/, such as /sore/, /ware/, /kare/, which distribute slightly differently ...