No, as outlined in Article 6 of the GDPR, permission is merely one of the legal reasons for processing personal data. Processing is necessary to perform a contract to which the data subject is a party or to take steps at the data subject's request prior to entering into a contract; cases where processing is necessary to comply with a legal obligation; cases where processing is necessary to protect the vital interests of the data subject or another natural person. Where processing is required to protect the data subject's or another natural person's vital interests; where processing is required to carry out a task in the public interest; or lastly, where processing is justified by a legitimate interest that outweighs any risk to the data subject's privacy.