Yes, Sunnyside 822G1-XCP6 Xylol/Xylene Solvent can be used to remove sealer from cement pavers. Xylene is a strong solvent that works well for breaking down and removing various types of sealers and coatings1. However, since you mentioned there are two different types, it's important to ensure you're using the correct product for your specific sealer. Always follow the manufacturer's instructions and safety guidelines when using solvents like xylene.