Embedding your Paperform forms in a Webflow site is easy, here's how you can set it up.
Go to the editor of the form you would like to embed and go to Share → Embed to find the embed code. Copy the desired embed code from the list of options.
Log into your Webflow account, and go the editor for the page you would like to add the form on. In the left sidebar go to "Add +" → Components → Embeds.
Paste the embed code for your form in the place for HTML, and save your website.