Disable/Restrict from copying content from singed adobe esign agreement document

Hi Team,

We are generating a agreement link using an adobe apis(https://secure.na1.echosign.com/public/docs/restapi/v6#!/agreements/createAgreement) and sending the agreement sign link to signers using a mail. Once signer opens that document sign url, fills all required fields and signs an agreement document then signer/other paties added in cc will be recieving a copy of completed document which had all data filled by signer and signature of signer.  We observed that, we can copy a content data/signature from that document and paste on word document or somewhere else.  How we can restict copy paste content from agreement document generated using API https://secure.na1.echosign.com/public/docs/restapi/v6#!/agreements/createAgreement. 

Is the document generated after completing signature is editable or non-editable at adobe? 

Regards,

Mahesh