This method processes a chart of spreadsheet directly in cloud storage, converting it to the requested output format (PDF, or Image format) without requiring the file to be downloaded to the local machine. \nThe operation relies on valid cloud storage credentials and an accessible file path or identifier. \nThe conversion is performed remotely, reducing data transfer and improving performance for large files. \nIf the source file is not found, access is denied, or an error occurs during conversion, an appropriate exception will be thrown. \nSupported output formats are determined by the capabilities of the underlying cloud conversion service....Cells Java Export chart as format Convert Excel...