Viewmate will select the closest item that meets your selection criteria by default. ViewMate will restrict the selection to the currently active layer and select the element closest to the cursor; that element could be a pad, a stroke, a polygon, or simply whatever is closest to the cursor.
You can restrict the types of items that are selected by setting your selection criteria.
The selection criteria are determined by a combination of factors. There are three check boxes and a combo box that you can configure to set your selection criteria and limit your selection to elements that are only on the current layer. Make sure the only checkbox for the current layer is checked