Employee signoff end of the year review in my performance if agree with over all rating or disagree

Summary:

Do we have option for employee to signoff end of the year review in my performance document if agree with over all rating or disagree ??where we can configure this ?

Content (required):

Where we can configure the sign offs details for employee to agree on overall rating and performance ?

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):