How do managers see the certificste of voucher while seeing the voucher?

Please click attachment, and click the file then you are able to download and view the file.

來源連結：

https://support.vitalyun.com/en/?catid=28&id=5502%3Ahow-do-managers-see-the-certificste-of-voucher-while-seeing-the-voucher&view=article