How to add .pdf to Music Stand

Is there a way to add pdf documents to Music Stand? My church has several of our own songs not on ccli but in pdf. I’d rather not retype them out in music stand

Adding attachments: https://www.worshiptools.com/en-us/docs/71-ms-attachments
Selecting from different sources: https://www.worshiptools.com/en-us/docs/115-source-selector