Yes. Save files are compatible. Locate your old saves in C:\Users\[YourName]\AppData\Local\PAWPatrolOnARoll\Saved\ and copy them into the new install.
However, some players have reported encountering a frustrating issue with the game's codex, which is a digital book that contains information about the game's characters, levels, and collectibles. The codex issue, also known as "Paw Patrol On A Roll codex fixed," prevents players from accessing certain features or progressing through the game. paw patrol on a rollcodex fixed