Sun square Saturn (orb 1°) creates concrete friction between the two planets. The orb is very tight; this describes a stable character pattern more than a passing reaction.
Here, Sun in Leo in House 8 brings identity, ego, father figure, visibility, and direction into House 8 (sexuality, shared power, crisis, and invisible bonds), with Leo style (presence, pride, creation, and the wish to be seen); Saturn in Scorpio in House 11 brings discipline, constraint, endurance, and mastery into House 11 (networks, audience, groups, ideas, ideologies, political beliefs, and collective projects), with Scorpio style (intensity, desire, crisis, secrecy, and invisible power).
Concrete friction: this aspect makes identity, ego, and father image meet Saturn pressure: confidence, recognition, or the father relationship may have to grow through duty, delay, judgment, authority, or fear of failure. House 8 (sexuality, shared power, crisis, and invisible bonds) is in friction with House 11 (networks, audience, groups, ideas, ideologies, political beliefs, and collective projects); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.