The Graphviz binaries will end up in the bin/ folder, while libraries will end up in a lib/ folder. Homebrew may put libraries somewhere under /usr/lib/ but I am not a macOS expert.
The Graphviz binaries will end up in the bin/ folder, while libraries will end up in a lib/ folder. Homebrew may put libraries somewhere under /usr/lib/ but I am not a macOS expert.