Starting from 5.6.3 the theme has the possibility, when reviewing a job, you can also add work samples.
The work samples come enabled by default, if you want to disable them or modify how many work samples will be disabled on a job, please go to Jobster Settings > General Settings > Job > Features > Enable work samples > Choose how many work samples can be added > Save Changes.
In order to choose work samples when reviewing a job, the seller has to send photos of his job on the transaction page. Photos from which you can choose when reviewing.
After marking the order as completed by the buyer, when reviewing, he can choose one photo from the above sent by the seller.
Displayed as follows on job's page: