uploading information

How can a customer upload information for submission. 

For example, an insurance card or any document?

You need to add an uploaded field type in your form:

You might also check these guides related to uploading files:

https://www.jotform.com/help/33-Changing-the-upload-size-limit 

https://www.jotform.com/help/29-Which-file-types-are-allowed-for-the-upload-field 

Let us know if you need more help, we will be glad to assist you.