Can we receive branded submission PDFs?

Also, when people fill out this form will it be able to download as a nice branded PDF that can be sent to someone?

Yes, you will be able to download the submission as a PDF file and customize it. To do so, please follow this guide: 

1. Go to your form submissions page. Here's how: How to View Form Submissions

2. Click the PDF button to download the submission as PDF

Then to customize it based on your preference, simply follow this guide: How to Customize PDF Submissions Report

Regards.