Create a standard 1920x1080 comp. Select a solid layer (any color) and open the Paint Stick panel (Window > Extensions > Paint Stick).
If you own a Wacom or Huion tablet, Paint Stick v2.1.2c reads the .brush file metadata. It translates pen pressure into stroke width variation. Thick at the bottom of a "C" curve, thin at the apex. Crucially, because it becomes a shape layer, you can keyframe that width later—something impossible with raster paint. AEScripts Paint Stick v2.1.2c for After Effec...
After Effects relies heavily on system memory. Ensure you have your memory preferences configured to give After Effects maximum allowance, especially when using complex .ABR brushes. Create a standard 1920x1080 comp