Sasuke can arguably win this without PS, provided he strikes Bee first before he fires off a BD. This can be done by casting Amaterasu to at least cause a distraction for a few seconds [
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], while Sasuke either takes aim and fires his
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or outright
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, either of which will interrupt a BD charge attempt. That was a Biju-sized Juubiling he cut in half, by the way. The latter strategy can be countered by Bee with his
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, which will at least disrupt Sasuke's attack, though it's honestly doubtful that he'll do that through the pain from Amaterasu, since he was canonically completely occupied by trying to put out the flames when they first fought. Don't know why the tentacle replacement strategy is even brought up. Intel is manga, so Sasuke already knows about this trick [
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]. As soon as he sees Bee cutting his tentacle he'll counter it efficiently.
This is all still dependent on the fact that Bee is kept from successfully firing a BD, which will end Sasuke.