Sort:  

You can earn them with good content through getting upvotes. Or/And you can buy them on steem-engine.com. As soon as you have Palcoins staked you can also earn them with voting other content.

Here are two good posts that explain PAL:

Coin Marketplace

STEEM 0.28
TRX 0.13
JST 0.032
BTC 61054.53
ETH 2976.59
USDT 1.00
SBD 3.65