Sign and Send Precreated Documents

I want to store a digital form template that has been developed (by a user with Acrobat Pro) and includes two or three signature boxes, on SharePoint Online. I want to the rest of the company employees to possess the ability to open the template, save as, complete the form, click the sign box, enter their password, append a scanned image of their signature and send this to their supervisor for approval, without having to attach it to an email. I want the supervisor to receive a notification that a document requires their attention and once opened and reviewed, I want the supervisor to click in another signature box and append their signature, as the employee had done. Then, I want the supervisor to send this document to Accounting for processing without having to save this document to their local, only to attach it to yet another email.

Please tell me this is possible with Adobe Acrobat DC (the free version), as I do not require the certification and security for internal communications that Adobe Sign would offer.

Please help!