If it's true that Juventus has halted the Sancho transfer, it could be sad news for Sancho because I think Juventus is the only club interested in signing Sancho from Manchester United at the moment, but since we are yet to verify the information from a reliable source, let's just see it as a rumor for now. Juventus has already agreed personal terms with Sancho, and I believe agreeing on a transfer fee with Manchester United will not be a problem. Sancho has always been a great player, and I believe he will live up to expectations at Juventus if he finally joins Juventus this season.
Juventus halted Sancho transfer because they just signed Francisco Conceicao, and they don't have enough funds to sign Sancho. They're planning on selling one of their winger in order for them to raise funds for the signing of Sancho. If Juventus did not succeed on selling either Nico Gonzalez or Timothy Weah, they might not be able to bring Sancho in. No club wants to add more players to their squad without selling to replace.
From what you said in your post, it shows that Juventus are still interested in signing Sancho from Manchester United this season, but the Sancho transfer deal was delayed because Juventus signed Francisco Conceicao, and they don't have enough money at the moment to proceed with the Sancho transfer deal. Let's just hope Juventus sells either Nico Gonzalez or Timothy Weah so that they can buy Sancho from Manchester United this season, which will help Sancho to revive his career.