Thank you for your interest in BSS extension.
Regarding your query about Magento Admin Product Preview Plus,  we would like to inform you that if the product is disabled then the module can't show you the preview of the product in the frontend.
In order to preview the product in the frontend, the product must set to enable mode, please refer to this screenshot for your reference: https://prnt.sc/rzkcvv
If you have any queries, please feel free to let us know.