These technical reasons aren't grounds for an appeal.
Are you asking about adding updated work experience as part of the appeal? I don't see this working at all. The appeal is to assess whether IRCC made the right decision based on the information you submitted in your original application. You can't add work experience at this point. If anything, this might raise concerns that you are making up fake work experience. This isn't going to work in an appeal.
You should hire a good immigration lawyer to look into your case. It sounds like there are a number of complexities and it's really impossible to give you any real advice without knowing the full details of the case.