Follow these steps to create a re-combination of your render passes and preview them in the Render View.
Your re-combination is created using a Layered Texture node.
the Indirect pass node to the Alpha attribute of the Indirect pass layer of the Layered Texture node to connect the alpha attribute.

+
drag your Layered Texture node to your Render Target to connect them via the color and alpha attributes. 
In addition, in the Render View window, lock the
button . By locking this button, only the 2d compositing graph is rendered. Your render pass results are already up to date
and it is not necessary to re-render them again. For more information regarding this button, see Render View toolbar.
. This renders the output of your Render Target node, which is your Layered Texture that encompasses a re-combination of your render passes.

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