PayPal Buying Bitcoin, but still banning accounts

PayPal currently doesn't support self-custody--you can't transfer "your" bitcoin to a wallet you control, unlike Cash App for example.

Ask your government and/or banking institutions about that.

You can trade crypto on PayPal? How?

check details here, not sure it’s in all regions for the time being

Logged into a US account, clicking the 'Discover Crypto' link just shows the basic account page

it says on the page via the app, I assume it’s the mobile Paypal app.