You can download a copy of your project's Declarations via your project's Reports page.
To download the Conflict of Interest and Non-Disclosure Agreement for your Reviewers, check the box next to Project Details.
To download the Non-Disclosure Agreement for your Vendors, check the box next to Opportunity Vendor NDA. Then click the Download button:
You will then have access to a full copy of each Declaration, as well as a list of all signees: