To create 2 graphical signatures in MS Word document, click Insert -> Signature Line -> Microsoft Office Signature Line -> Signature Setup - > Ok and insert 2 signature lines.
On first X--------- line sign by first card ( left click, then press Sign -> OK -> fill in Name Surname or press Select Image to upload a picture -> click Sign->enter Pin code -> Press OK), then insert the second card, wait for certificate activation and sign first choosing the "change" button in Sign window.