Warning: PayPal is a high risk payment method.
You assume all liability when selling bitcoins, there is no insurance from scammers, only caution and due diligence can protect you.
PayPal is one of the riskiest payment methods and a favorite of scammers. Ask for ID with selfies and signatures and check for photoshop.
http://fotoforensics.com/ It is best to call PayPal and tell them you are selling bitcoin as they allow it.