Generate a merged PDF of all attachments of a negotiation. Specifically, all .doc and .docx files should be converted to PDF format first. Then, these PDFs along with any existing PDF attachments should be merged into a single PDF file, which users can download.
Brief description.
Generate a merged PDF of all attachments of a negotiation. Specifically, all .doc and .docx files should be converted to PDF format first. Then, these PDFs along with any existing PDF attachments should be merged into a single PDF file, which users can download.
Desired functionality acceptance criteria