A site with forms to fill out to print out as a document at the end?

Question

Document flow

I would like to speed up the process of filling out contracts in order to enter data on the site in the forms, and after completing the filling, receive a copy of the document where all the data of the contract are entered.
This is practiced for example in auto insurance companies.
Where to dig approximately? what to study?

Answer 1

https://www.google.com/forms/about/