DocuSign (DOCU) Halal?

Is DocuSign Stock Halal?

Is DocuSign (DOCU) Halal to invest in?
To answer this question, we consider:
1. How much of DocuSign (DOCU) revenue comes from haram?
2. Does DocuSign (DOCU) rely on riba to operate?
3. What is DocuSign (DOCU) ESG impact?