This idea has been merged into another idea. To comment or vote on this idea, please visit GIN-I-3924 Option to attach images after authorization of documents.
After creation of multiple documents via Import Utility wizard, each and every transction needs to be open in edit mode to attached document. Option provided from list page will ease the option for uploading the attachments.
Ticket reference: https://care.ginesys.in/a/tickets/158539