There are a number of reasons why database items may not be appearing in the item database during the creation of a requisition. Reasons may include:
In order to match items with suppliers:
Click on the "Items" tab on the left hand side menu
Click the "Match Items With Suppliers" action button
You can either associate items with suppliers or conversely, suppliers with items using the swap columns action button.
In order to make the items available to all branches, you can use categories. To set up categories, click on the tab on the left hand side menu.
Click on "Add New Item Category" on the right hand side.
Choose the option highlighted in the screenshot above and click on "save item category"