Pixar-Style Video Clip Enhancements

I have seven short, already-rendered clips (each 1–8 seconds) that came out of Seedance or Google Flow. They all sit in a stylized Pixar universe and need a round of precise touch-ups before I lock picture... (Budget: $250 - $750 USD, Jobs: 3D Animation, 3D Modelling, 3D Rendering, After Effects, Animation, Blender, Video Editing, Video Services)