Try out the Dform tool to fix minor poke through issues like you've mentioned.

It's really simple to use with visually driven influence zones making it a snap to accurately manipulate the problem spot. Quick run through:

1. Select node in the clothing that has the poke through add a dformer from the tool menu.

2. Under the scenes tab select the Dformer field node.

3. Adjust position and scale to cover the area that needs correction leaving a smooth fall-off zone for smooth transition.

4. Select the dformer base rotate, scale and position it so that the handle of the top shaped widget protrudes from the center of the problem area and is oriented in the direction you want to pull the mesh.....this is not as complicated as it looks in writing.

5. When you have the dformer set up yto your liking then select the dformer handle and move it to adjust the mesh where you need it.

Note:

You can move and adjust the position/ scale/ rotation of the field and handle after setup to alter the influence on the mesh if necessary.

The deformation you create can be saved as a DAZ Studio preset or can be exported as a morph if you think you'll need it frequently.

There is a lot more you can do but the bit above will handle the poke through and you can explore the rest later.