Check the getting started guide. For 20k a month they spin up a lightning node for you in the cloud... But you still have to configure it.

This will involve depositing sats or bitcoin and opening one or more channels.

Check 3, 4 and 5

https://guides.getalby.com/user-guide/v/alby-account-and-browser-extension/alby-hub/getting-started#how-to-deposit-or-buy-your-first-bitcoin