Hi @mai07ulis,
You will need Magento 2 Marketplace Seller Invoice. Vendors can download multiple invoice, attach and send them to targeted customers via emails. Also, customers can download multiple orders from different sellers with only one click. All invoice and order files are in form of PDF. Take a look at its outstanding features:
- Generate multiple seller invoice files
- Generate order files from different vendors
- 1-click export to PDF files
- Customers download order files instantly
- Sellers download invoice files easily
- Auto attach & send invoice files to customer emails
- Configure invoice files in the backend with ease
- Send intuitive invoice files
Hope that it's useful for you.