If you self host then the data will be on a database on your server inside the magic container 
If you pay them to host it I imagine you can download regular backups.
I’ve not installed it yet but: Discourse Data Explorer
If you self host then the data will be on a database on your server inside the magic container If you pay them to host it I imagine you can download regular backups.
I’ve not installed it yet but: Discourse Data Explorer