Yes, it does seem KCM intends to finish the series.
Darren Dunstan, the voice director for Yu-Gi-Oh! VRAINS has confirmed that Konami Cross Media is continuing with production of the Yu-Gi-Oh! VRAINS dub amidst the COVID-19 pandemic, and they are close to completing their work on the series.
This was confirmed at the Happy Space Pop Con.
Ravegrl also notes production of the third story arc’s dub has been ongoing since at least January.