In order to preserve the document's integrity, you cannot update information on a document once the process is started. Instead you will need to withdraw and restart the process. The exception is email, mobile number and social security number, to accommodate for misspellings that would prevent the delivery or signing of the document.
Withdraw and restart singing process
Go to E-archive > click on the document > Withdraw > Restart. You will then be able to update the document and send out again.
Change email and/or mobile number
Go to E-archive > click on the document > scroll down to Parties > Change email &/or mobile number.
Change social security number
Go to E-archive > click on the document > Authentication to view/sign > Edit.