It is possible, for this you need
1. Connect the setting with private 24 business
2. Set up an automatic action that would receive payments into the system with Privat 24
in the same action configure
https://prnt.sc/vqczln3. After that, you need to set up an action at the order stage so that upon receipt of payment, change the order stage to some other one.
I would use
https://prnt.sc/vqd0p4To once a minute check the orders we need for the fact that there is a payment in it