Adobe Sign and Box Sign are two products for preparing, sending, and signing documents for e-signatures. Before sending a document or form through an e-signature product, it must be converted into a digital file format. Keep in mind that documents used with Adobe Sign cannot exceed 10 MB.
Turning physical forms into digital files
Turning Microsoft Word documents into PDFs
Turning JPG/PNG photos into PDFs
Reducing PDF documents to under 10MB
Additional Resources
There are many ways to turn a physical form into a digital format: