Overview:
You mention checking Xerneas and the general stat buffs but don't mention how Scizor checks Ekiller (and Kanga). Checking Xern and Ekiller in one slot is most common reason people add Scizor to their teams. I also feel like the pursuiting Gengar sentence could be worded differently. It's not just a benefit to stall teams and Gengar can run HP Fire or just Dbond Scizor which limits the usefulness of the ability as it's not terribly consistent and you'll often be forced into making a trade. (which means you are better off just not making a mega gar weak team in the first place)
-Support-
Moves: When you bring up stuff like Pursuit (and by extension swords dance), mention how the spdef can help scizor be more effective at the trapping role. (or at least switch in easier on the mons it is meant to trap)
Set Details: You aren't making any sense with your alt spreads mentions. Specifically, in the physical spread you don't mention why you would opt for it except to help check xern better (not true) in which case it doesn't make sense why you would ever use it over the spdef set that you mention right after.
Team options: I disagree with the mention of needing another check to ekiller. You just need to say how much superpowr does to it and let them know that you should run teammates that are capable of doing enough damage to put ekiller into ko range after SR. I also feel like you could add more mentions of teammates here because Scizor has quite a few exploitable weaknesses like fire types and Specs Kyogre (who can't always switch in safely but once in it gets to spout for free) that ought to be handled to some extent.
-CB-
Moves: I don't mind you mentioning that bullet helps check xerneas but, even more so than the support set, it's also what makes scizor good by giving it a strong priority that makes up for it's shitty speed and underwhelming bulk. Late but I think Knock Off should get the first slash as OHKOing 252 ho-oh 50% of the time after SR is pretty damn good and it's a strong disruptive move in general that alows it to bypass a lot of it's checks like Giratina(-o) and Aegislash. (hint, you should mention that stuff in your analysis) For Superpower, mention how that's actually Scizor's strongest attack and crushes a lot of the steel types that resist its STABs. (the ones it doesn't are often weak to Knock Off)
Set Details: For the calc about Ekiller's EQ, make sure you mention that it only applies if SR isn't up and Scizor is at 100% HP. (so very situational) Mention how 248 hp evs reduces the amount of damage it takes from SR as well.
Usage tips: I should have caught this earlier but this section needs a full revamp. CB Scizor isn't meant to be a Ekiller check or Gengar trapper.
Teammates: CB Scizor isn't a check to ekiller in the first place. (at most you could call it the secondary check but that's a stretch still) If you want to mention ekiller, bring up how cb sciz trades that bulk for checking ekiller that the support set has in exchange for raw power to beat shit up. (this would actually be better placed in the usage tips section) The rest of this section should get revamped too as you spend more time talking about what it does (or rather what it doesn't do) than what teammates actually pair well with it and why.
Checks and Counters: The formatting is wrong. Check out the analysis index for more info.