How can I sign a PDF using my mouse?

Using MSB Docs, you can eSign documents from anywhere and anytime. After you register, upload a PDF, then choose My Signatures from the left-hand panel. Click on the Add New Signature option and draw your handwritten signature with your mouse. Click Sign to insert it into the form. If you don’t like it, you can select Clear and redraw it again. Then you can use it for any document you need. Once you’ve created your eSignature, you can use it as a default.