Zero_yield
"You can observe a lot by just watching."
Sorry, but you are circumventing the actual question the OP asked, and I will not repeat here.
However, my question is; Is there a requirement to show proof that this person has read the applicable procedures or work instructions.
My response to the original question is: Yes. In my assessment, the 6.2 says you have to provide appropriate training, and you have to document that training. It's up to the organization to assess what the proper level of training / certification is for each process they're training employees on.
If your organization believe reading a document and becoming familiar with it is an appropriate level of training for certain procedures, I would agree, and I would interpret the requirement as saying you should document that training. If it is not an appropriate level of training as some have alluded to, then I'd recommend developing a more robust training and document that. We actually have a fairly lengthy onboarding process now (~1 week) because there are so many basics people need to learn before touching product, and just reading SOPs wasn't cutting it.
To me, this would give me much more confidence that the changes have been communicated and implemented; something that looking at a training record would not.
I would agree with doing all of these steps when auditing a process. I think you're definitely doing your due diligence here in evaluating that the QMS was effective at implementing changes. I'm not saying that a training record is inherently proof of a functional QMS or change control process. I'm just saying I interpret documenting training as required ISO 13485, and one piece of evidence that necessary information is getting to right people.