For PowerGrades, you can typically import them via the Gallery. Open the Gallery, right-click on the "PowerGrade Albums" or "Stills" area, and choose "Import." Navigate to the .dpx or .drx files and import them.
The only official source for the Voyager LUT Pack Pro is procolor.ist . How to Use Voyager LUTs in DaVinci Resolve (ACES)
: Frequently releases free packs of cinematic LUTs.
These LUTs are designed to mimic the quality of color grading used in major film and streaming productions (Netflix/HBO style). The Search for "Voyager LUT Pack Pro Free Download Link"