Pitch is a product of petroleum or coal tar and is a distillate of those substances. Amber is a fossilized tree resin. Not the same.
Some people call pine resin “pine pitch.”
Pinus rigida, the Pitch Pine, is a little tree native to the Eastern US in the yellow pine category, for example, not much use for lumber as it is often crooked, but a source for pine pitch and turpentine.
Pitch is the form of tree extrusion that falls between liquid sap and semisolid resin.