How can I modify a PDF template with dynamic JSON data and send it via Gmail using n8n?

I'm trying to build an n8n workflow that downloads a PDF template from Google Drive, inserts dynamic JSON content from an AI agent into the PDF, and then sends it via Gmail.

I'm not a developer, so please excuse any misuse of technical terms. My plan is to use the Google Drive node to fetch the PDF template and then modify it with the JSON data. However, I'm not sure how to insert dynamic content into a PDF. Has anyone done something similar or can share a workflow that accomplishes this?

Details of my setup:

• n8n version: 1.74.1
• Database: SQLite (default)
• n8n EXECUTIONS_PROCESS setting: own
• Running n8n via Docker
• Operating system: Windows 10