PayPal is the most famous online payments system while Magento is one of the most popular eCommerce platforms. So, it would be strange if it didn't allow you to integrate PayPal into your online store.
There is a variety of PayPal payment methods you can configure. However, in this article, you're going to configure PayPal Express Checkout in Magento 2.
It is probably the most popular PayPal payment method since it accepts almost all credit or debit cards and worldwide currencies.