In order for you to play Pillars of Eternity II: Deadfire on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
OS X 10.12.6 Sierra 64-bit (or newer)
Processor (CPU):
Intel Core i5-4570S @ 2.9GHz
Memory (RAM):
8 GB RAM
Graphics Card:
NVIDIA GeForce GT750M
Storage:
45 GB available space
In order to play Pillars of Eternity II: Deadfire on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
OS X 10.13.3 High Sierra 64-bit (or newer)
Processor (CPU):
Intel Core i7-4770HQ @ 2.2 GHz
Memory (RAM):
16 GB RAM
Graphics Card:
AMD Radeon R9 M370X
Storage:
45 GB available space