Interestingly, PayPal actually offers (or offered?) an iFrame checkout for some customers and it was confirmed to be PCI-compliant. But again, another PCI auditor might have another opinion on it :)
On this link you can find the experience of Embedded payments, i implemented it on our site but the docs on the api are not complete on paypal, rather complete they are not present at one place.
On this link you can find the experience of Embedded payments, i implemented it on our site but the docs on the api are not complete on paypal, rather complete they are not present at one place.