Our software already has the capability of being able to download a full proposal as a single merged document. We just released a way to automatically create a document with several case studies or CVs in succession on the same page.
Some common use cases:
How am I able to download data like this?
1) Create a proposal
2) Copy CVs and Case studies into the proposal
3) Click "more options"
4) Select "Download proposal as a single document"
5) Select the export template you want to use
6) Check "Don't add page-breaks between each document"
7) Download the proposal