Without reservation:
Yes. While physical books are beautiful on a shelf, the Kingmaker 2e PDF offers unparalleled utility for a sandbox campaign of this size. It is lighter to carry, easier to search, and significantly more affordable than the massive hardcover print edition. To help you get started with your campaign, let me know: pathfinder 2e kingmaker adventure path pdf
The is a massive, updated compilation of one of Pathfinder's most popular campaigns, taking characters from level 1 to 20 . It is primarily available as a high-detail PDF and physical book through the Paizo Store . Core Content & Books Without reservation: Yes
If you're a GM looking to run the Kingmaker Adventure Path, here are some tips to get you started: easier to search