Convert PDF House Plans to DWG

I need house plans converted from PDF to DWG format. After conversion, I require some mark-ups to be made on the new DWG file.

Requirements:
- Convert existing house plans from PDF to DWG
- Add notes/annotations:
- Material specifications
- Construction instructions
- Design comments
- Mark-ups based on my provided information

Ideal Skills and Experience:
- Proficiency in CAD software
- Experience in handling architectural drawings
- Attention to detail and accuracy
- Ability to incorporate client-provided notes effectively