If you have a PSD image with multiple layers and you want to import it into Adobe After Effects as a composition with separate layers, follow these steps:
1- Open After Effects: Launch Adobe After Effects.
2- Create a New Composition: Go to Composition -> New Composition to create a new composition. Set the desired settings for the composition, such as frame rate, resolution, and duration.
3- Import PSD File: Go to File -> Import -> File and select your PSD file. Make sure to choose the option Composition - Retain Layer Sizes from the Import As dropdown.
4- Composition Settings: In the Import Composition dialog, choose Composition\ from the Import Kind dropdown. Ensure the Layer Options are set to Editable Layer Styles.
5- Open the Composition: After importing, double-click on the composition in the Project panel to open it, you will see all the layers.