Hello @GiggaChad,
Thank you for reaching out, and we are sorry to hear your recipient is not seeing your signature.
The W-9 is an XFA form created with Adobe LiveCycle Designer. XFA forms are not supported on Acrobat mobile and cannot be opened on mobile devices. This means both signing and viewing the completed W-9 must be done using Adobe Acrobat or Adobe Reader on a desktop computer.
Please ask your recipient to open the PDF using Adobe Acrobat or Adobe Reader on their desktop computer rather than on a mobile device, in a browser, or in any other application. Signatures and form data in XFA forms may not render correctly outside of the desktop application.
If you signed the document on a mobile device, we also recommend completing the signing process again using Adobe Acrobat or Adobe Reader on a desktop to ensure the signature is correctly embedded in the form.
Please let us know if this resolves the issue, and we will be happy to assist further.
~Tariq