Converts to the PDF/A-1a format. This is defined as an electronic document file format for long term preservation. All fonts that were used in the source document will be embedded into the generated PDF file. PDF tags will be written.
转换为 PDF/A-1a 格式。该格式被定义为电子文档文件格式，以用于长期保存。源文档中使用过的所有字体都会被嵌入到生成的 PDF 文件中。PDF 标记将会被写入。