A local area dominated by resin is not the same observation as an empty region inside a laminate. When discussing a surface feature, describe its location and appearance before naming a cause or deciding whether it is acceptable.
A photograph needs the surrounding geometry
Corners, edges and local changes in shape can affect what is visible at the surface. Take an overall view and an identified close-up so the feature can be located on the component. Reflections, coating and the viewing angle can change a photograph substantially. Avoid estimating an internal material fraction from that image alone.
Appearance and engineering questions need different evidence
A cosmetic comparison may concern consistency with an approved surface reference. A dimensional question may concern a local build-up that affects fit. An engineering concern can require another inspection or evaluation. These questions can arise in the same place, but one photograph does not answer all of them.
Set a usable acceptance discussion
Refer to the component revision, the affected face and the applicable requirement. Ask the supplier to review the observation rather than treating every glossy patch as a proven process fault or every filled corner as acceptable. If a sample feature is specifically accepted, record that scope. The decision should not silently become a blanket allowance for different locations, sizes or constructions.
Further reading: Gurit: prepreg processing guide.