The general use case:

• Create your main body and CAD design however you want. 
• Add your desired inlay design in a Sketch above the body.
• Run the AddIn and select the sketch profiles and target body.
• Modify the generated Components by using Parameters.

Complete detailed documentation on how to use the plugin can be found here: https://www.corbinsworkshop.com/vcarve-inlay-plugin-for-autodesk-fusion-documentation/

Install:

• Download the installer from the Autodesk App Store.
• Right-click on the "Downloads" folder and select "Open in Finder".
• Right-click on the downloaded ".pkg" -> "Open With" -> "Installer".

Uninstall:

• You can unload the add-in without uninstalling it by clicking the "Stop" button when the add-in is selected in the list box on the "Add-Ins" tab of the "Scripts and Add-Ins" dialog.
• Unchecking "Run on Startup" causes the add-in not to be loaded in future sessions of Autodesk® Fusion®.
• Navigate to the ./ApplicationsPlugins folder and select the app bundle you want to uninstall
• Either drag the app bundle to the Trash or right-click and select “Move to Trash”
• Right-click on the Trash Can and select “Empty Trash”
• If you prefer keystrokes, you can also just select the app bundle and then hit Command+Delete to move the app to Trash, then empty the Trash and the app will be removed.

The tool drop down list does not work in the latest version of Fusion.