You can use electronic document signing for all official documents.
This is via wcncare.eversign.com
You have dedicated login details as a user. If you do not have these then please discuss with your line manager.
There is help on how to do this on their support site https://help.eversign.com/hc/en-us
Please make sure you add the correct details of those who need to sign, and also that you amend the template through the website of where they are to sign and the date of signing.