Pr is replaced by AE synthesis.

1 First of all, let's take a look at this alpha channel file made of AE.

2. Then randomly select a piece of material in premiere.

3. Then drag the AE composite file directly to premiere.

We saw these materials in the premiere project.

5. Drag the material to the track.

6. Drag the timeline to see the material, and you can use it without exporting the material.