We had that when I was working in a top investment bank, in the UK office. The employment contract was accompanied by a 50 page document explaining the pension

We had that when I was working in a top investment bank, in the UK office. The employment contract was accompanied by a 50 page document explaining the pension system, a long tutorial on risks/asset-types/location/diversification and everything you ever wish to know about pension, and last but not least the 20 funds they make available to us.