You can use electronic document signing for all official documents.
This is via eversign.com
The login details are on the shared server
There is help on how to do this on their support site https://eversign.com/help
We can handle 5 signed documents a month.
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.