Is polygon zkEVM a rollup?

Could you please clarify if Polygon zkEVM is indeed classified as a rollup technology? I'm trying to grasp the intricacies of this particular blockchain solution and how it fits within the broader ecosystem of Ethereum scaling techniques. Does Polygon zkEVM specifically leverage zero-knowledge proofs to achieve its scalability and security objectives, akin to other rollup approaches? Your insights would be invaluable in helping me better understand the nuances of this technology.