Question

A saved form doesn’t give me the option to send, even after I get the PDF.

Answer

To be able to Send a Form, you must have Send permission for the Project.

Ensure the Project Owner or an Admin User (with Access All Projects) has added you as a Project Member with at least Send Records permission. 

Permission levels are cumulative, so you can achieve this by either having Send Records or Edit Project access. 

Have a look here for how to add or change project members.

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