Mother has taken out Allianz Schatzbrief pension

Hello everyone, I happened to see at my parents' house over the weekend that my mother had signed an Allianz Schatzbrief pension. A sum is paid in now, the money is invested (presumably with little return) and after 10 years she receives a pension. Alternatively, you can have the existing capital paid out as a lump sum. The problem: My mother is in her mid-70s, so she won't get the pension or the lump sum until she's in her mid-80s. If she chooses