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Hi Debra,
What AutoCAD for Mac version you are using?
Only 2019, 2020 and 2021 versions are compatible with macOS Catalina.
For 2019 and 2020 you need to install latest Updates.
2019 Update:
https://knowledge.autodesk.com/support/autocad-for-mac/downloads/caas/downloads/content/autocad-for-...2020 Update:
https://knowledge.autodesk.com/support/autocad-for-mac/downloads/caas/downloads/content/autocad-for-...
