Hi Emma, there isn't a Messages section that I can find. There's a communication one, but that's just about what Newsletters I get.
See attached again the options I have when I press the cog.
Thanks
Hello,
Ah, it looks like you are using the Self Employed product - apologies, I thought you were using our Online product! Unfortunately this is not a feature of our self employed account - please use our feedback link https://selfemployeduk.uservoice.com/ to suggest for them to implement this in future updates.
Thanks,
Talia