In After Effects, you can manage shape layers more effectively with Aescripts – Explode Shape Layers. Multiple shape layers can now be easily split into individual layers, have shape layers merged into a singular layer, and turn .ai files into shape layers with no further hustle.

Zack Lovatt – Explode Shape Layers 3 Plugin Features

• Edit Separately: Restructure shape layers into separate layers that are easier to manage.
• Edit With Ease: Pick different fills or strokes and alter them with a single click.
• Layer Cleanup: After converting, erase unwanted artboard artifacts.
• Layer Splitting: Break complex shapes into individual and easier-to-edit layers.
• Shape Combination: Join multiple shape layers into one single shape layer.
• Quick Layer Creation: Converts Illustrator layers into shape layers in seconds.

Aescripts – Explode Shape Layers 3 Documentation

Image: Explode & merge for greater precision