This is most easily confirmed if your processor has notifications turned on. Once you submit your Cutsheet, you should receive an email or text message that the Cutsheet has been received.
If your processor does not have notifications turned on and you do not receive an email or text, you should still be able to sign in to Farmshare and see that the Cutsheet is recorded on the animal split assigned to you.
The green box in the picture below confirms that a Cutsheet has been received.
Once the cutsheet is in, you typically can edit it if your processor hasn't locked it. Once it's locked, you cannot edit or view it unless you send them a chat or text/email them back and ask for it. They can easily send it to you for saving on your side, if you so desire.