The WooTheme “Canvas Commerce” photoshop psd files is not listed in the downloads section of the WooThemes member area:
It is unclear why no PSD files are included for download, however, this is actually the case for several of the Woo Commerce themes including:
###Kaboodle Commerce PSD###
###Inspire Commerce PSD###
###Bizznizz Commerce PSD###
###Canvas Commerce PSD###
###Simplicity Commerce PSD###
###Statua Commerce PSD###