hi,
My requirement is -we are uploading many pdf/doc files from the backend,and customer can download that pdf/doc files.Here the risky part is need to assign automatically login name as watermark to each downloaded doc/pdf''exaple if the abstact.pdf/abstract.doc downloaded by the john ,that abstact.pdf/abstract.doc file must have watermark as john..is it possible in odoo
https://apps.openerp.com/apps/modules/8.0/instance_watermark/