What SAP says SAP Business One covers
SAP’s product page describes Business One as an ERP for small and midsize businesses, covering accounting and financials, purchasing, inventory, sales, customer relationships and reporting and analytics, with integrated business intelligence and SAP HANA integration. It points buyers to SAP Partner Finder for implementation.
The product page does not set out UAE VAT features in detail. UAE localisation and the VAT 201 workflow are typically discussed with the implementing partner, so ask your partner to demonstrate the return, tax invoice format and reverse charge postings on your own data.