Is there a way to find a list of all the Dutch vocab used in the lessons?
Not yet. The words tab is not available for beta courses yet, but that will likely change eventually.
In the meantime, there is a userscript that you can use to get the words tab, and you can find out how to get it here:
You can also check out this Google doc for most of the nouns in our course along with which article they use, which could be helpful to you: