Before you can add an approver you need to setup document categories. Here is where you setup the categories for the documents
Step 1: Staying in the Admin section of the Supplier Document Manager, now select Document Linked Categories.
Step 2: Select the edit button beside Category Name
Step 3: Select Add New Categories
Step 4: Input the categories you want to use. Once done select Add/Update Categories
Step 5: Once done your categories will look like this below
Step 6: If you need to edit simply change the text, then select Add/Update Categories. Once done select Add/Update Categories
Step 7: To delete a category simply select the category, then select Delete Selected.