live corners missing illustrator 2023

Also, keep in mind that there is a corner widget display limit of maximum 100 corner points per (direct) selection. That is, if the selection exceeds that limit no widgets are displayed, although they are set to show in the View menu.

Hello @MichelleDiamond,

Thanks for reaching out. I hope the suggestions shared by Carlos helped resolve the problem. If not, kindly try resetting Illustrator's preferences by following the steps shared in this article (https://helpx.adobe.com/illustrator/kb/troubleshoot-preference-issues.html) and sharing your observations.
Disclaimer: Please note that resetting preferences will remove all custom settings, and Illustrator will launch with the defaults. You may save a backup of these settings from the location mentioned in the article.

Looking forward to hearing from you.

Thanks,
Anubhav

Try, View->Show Corner Widget

not all shapes show corner widgets though unless you click a Corner Anchor with the Direct Selection Tool (A)