Help with whats app or similar

So a bit of a strange one we are a small charity that links parents of disabled children together and lots of the chat side is completed on whats app one of the things that takes us forever is moderating all of the conversations is there a way for conversations to automatically be stored and saved into whats app? (or any other ideas essentially so we can chat to parents in an instant messaging style way that saves and stores everything happy to use a third-party provider if I can then link it back to airtable)

Because its adults we do not need to read every message etc or moderate in that sense but we need to have a way to be able to read every message should it be needed