How to put two figures in the same page in r markdown or r markdown with papaja?

No, I don't know how to do this. I even do not know what papaja is.
If you want help from another reader of this community it might help if you show what you already have tried to do. Use a reprex with a minimal working example of your problem where you indicate what you have done to get the two figures on the same page. For details on a 'reprex' look here.