Viscoil Holdings is long defunct. Here's its website from web.archive,
https://web.archive.org/web/20100918004124/http://viscoil.com/ . Both
Gotcha-Videos are from 2010. The Tweet containing it incorrectly calls the company the "Viscoil Group of Companies". Viscoil Holdings folded in 2010 (not long after the video. The Tweet and videos do not substantiate the claim that Paul Jr. has any ties to NRGLabs, nor the claim that NRGLabs does business in Ukraine.
Oh, and this "Gotcha" is over a year old (October, 2019), so Paul Pelosi Jr. obviously didn't "take center stage with the Ukraine controversy". Just another clickbait site recycling an old CT, fighting to lure your mouse-clicks.