Oracle Payroll Cloud supports multiple methods to load balance initialization data, such as batch headers and lines, into HCM Cloud. The HCM Data Loader (HDL) is a powerful tool designed to load large volumes of data, including payroll balances, by creating batch data in a structured format. This method is widely used for automation and bulk uploads (Option A). Similarly, the Payroll Batch Loader spreadsheet allows users to manually enter batch data, such as balance initialization details, in an Excel-based interface, which is then uploaded to the system (Option B). These two methods are explicitly supported and recommended in Oracle documentation for initializing payroll balances. Option C (WebCenter Content) is not a standard method for loading payroll batch data; it is more aligned with content management rather than payroll-specific data loading. Option D (Create New Balances for Employees task) is a functional setup task but not a direct method for loading batch headers and lines.