The fake Docusign email, which claims PayPal customer service sent the recipients a document to review and sign, is a scam. The Docusign email scam is being sent by scammers attempting to trick potential victims into clicking the link in it. The link goes to a fake and phishing PayPal website that steals account credentials, personal, or financial information.
The Docusign Email Scam Doc

If you have been tricked by the PayPal scam email, please contact PayPal for help. If you have submitted your credit card or other banking information on the phishing website you were taken to, please contact your bank for help.