Polifact:
• Vice President Joe Biden did urge Ukraine to fire its top prosecutor, with the threat of withholding U.S. aid. But that was the position of the wider U.S. government, as well as other international institutions.
• We found no evidence to support the idea that Joe Biden advocated with his son's interests in mind, as the message suggests. It's not even clear that the company was actively under investigation or that a change in prosecutors benefited it.
and a link for another article:
https://www.usatoday.com/story/news/...or/5991434002/