The error appears when a user tries to complete a task with Manifest eSignature on document required mostly during the approval process.
The user encounters the following error: You do not have the required e-signature permission to complete the task.
This article is addressed to users with Admin rights.
The error prevents the user from completing the Approval task and progressing the document. It occurs when the feature Workflow --> Signature is not enabled in the user's Security Profile.
The workaround to rectify the error involves a configuration change, enabling the eSignature feature in the relevant Security Profile.
This way, all users listed under this Security Profile are granted the ability to apply eSignatures to documents.
Vault Help Documentation: About License Types & Security Profiles