SOLVED
I managed to find the question answered on the Unreal Engine Audio Tips & Tricks Facebook page. This post also had a link to another forum post with further descriptions on ways to do it. I’ve linked them below so others can find them easily as well 
Facebook Post - https://www.facebook.com/groups/unrealengineaudio/permalink/1011650866202896/
Other Forum Post - https://forums.unrealengine.com/t/setting-metasounds-variable/508262/18?fbclid=IwAR3Yd1XWqjveeAVOcCdSDlHM1mhP2jrgX7D_Ls_mrKU2NrLtWEZG-m0qBhA