The code is already included, you should just need to change the .env setting.
The benefit is that you don’t need to send data off your server to generate the PDF, it can also be faster since it’s all local. We made the hosted option the default because it will work on any server, whereas some users have reported issues using SnapPDF.
Well we are already using the Phantom option over a year new and its been working great so far. Well if we don’t need to install anything it might be worth a try.