Community Feedback
We love to hear your feedback. Your suggestions and ideas are important to us. Our feedback forum is a great place to post your ideas and vote on others. Please share your detailed use case and how the proposed enhancements can increase value to your business. We do read all of your posts, but may not be able to respond to all comments.
More information on the status of submitted ideas can be found here
Have you tried adding a document when creating your advert in the document section and it will show on your advert if set up.
I have attached a doc with some screenshots - this might assist you.