There are several reasons why PayPal payments may be rejected.
1. Rejected by the system fraud tool - transaction appears to be high-risk or fraudulent.
2. User payment limit exceeded.
3. Multiple payment attempts.
4. Different Paypal account profile data registered.
5. Insufficient funds.
Please make sure your PayPal account is verified and the billing information and address are correct.
If your payment is still rejected, you are advised to select a different payment method for the purchase, visit HERE to check for more payment methods available.