For anyone else,
You can access all of the functionality you need from:
1. Behaviors (select an element on your page and from the behaviors panel click the plus sign and select WA Cookies Toolkit)
2. Server Behaviors (Click the + button) and select WA Cookies Toolkit
You can get a full list of access points by opening your DreamWeaver Extension Manager, highlighting Cookies Toolkit and reading the text in the bottom panel.