There is no way to save Bitcoin directly on Paypal. But there are a number of solutions to safely save Bitcoin on Paypal. If you have Bitcoin, you can easily exchange it for banknotes and withdraw funds to your credit card that is connected to your PayPal account.
Bitcoin storage on paypal is not the best, I think maybe the money from the sale of bitcoin will be stored in Bitcoin is a good choice. and it can be connected to a debit or credit card