To search for product stock, follow these steps:

1. Navigate to the Store Module and click on "Stock."
2. Select "Product Stock" from the available options.
3. Enter the relevant information such as the product name and category in the provided fields.
4. Click on the "Search" button to initiate the search.

By following these steps, you will be able to search for product stock based on the specified criteria. The system will display the results matching your search parameters, allowing you to access the stock information for the desired product.