The final version of most business presentations is created when the person-with-the-pen hits "save" after the wording is agreed in a slide-by-slide meeting.
If you are the person-with-the-pen, why not wait for everyone to leave the room and go over each slide one more time, but now focus on the visual fixes. Align boxes, sort out the fonts, round up those decimals and hit "save" again.
Twenty minutes of work with great impact. It might not be a big deal, but the brain is distracted/bothered by small layout errors in a slide. Like the urge most people have to straighten that curtain, "it's been bothering me all evening".