Yes, there are certain advantages to a paper wallet. As long as you have a private key and a backup phrase it is easy to reuse the wallet. With this you can create multiple wallets from the same seed, which makes for convenient backups of your funds.
If you want to receive bitcoins from another person I would recommend generating an address on your PC and either printing it out or importing it by scanning the QR code. If you want to receive coins from another device I would recommend generating an address on that new device then transferring some coins into that new account using a third-party service such as Changelly.
Remember even though using paper ensures privacy in some ways it still gives away information about yourself by revealing whether some addresses exist on your computer (by making traces) or where they came from (by origin). It is safer if all transactions are made offline by physically sending them via mail, but this means you will have less control over security once they reach their destination.
You can also make many new addresses with different sources of data, such as email contacts or unique vouchers at one shop only used once every 3 days instead of creating thousands of different accounts right away by copying and pasting bitcoin addresses into mycelium without giving any real meaning to each one they just appear random and unpredictable and that’s not very secure at all.. Although they remain 100% secure since nobody controls them except your brain where no third party can see anything unless we