I wanted to follow-up on this.
Canon church law states a priest must refuse communion to any person who publicly lives a life of sin without repentance, which includes supporting abortion.
Denying pro-choice politicians the sacraments has long been practiced, most notably in 2013 when the Vatican declared that Nancy Pelosi should be denied communion until her policy changed.
https://www.oann.com/biden-denied-holy-communion-at-mass-due-to-stance-on-abortion/