Widget Not Being Added to the Viiewport via C++

[Giraffelitis (Pace Abbott)]

Dumb questions are perfectly fine if you learn from them.

See this post here where they discuss debugging in C++

How to debug C++?

You can add breakpoints both in C++ and Blueprints. This will point you in the right direction if you still have issues: Intro to Debugging C++ for Unreal Engine using Visual Studio - YouTube I highly recommend the video if you are having issues.