pdf文件编辑工具控件，功能十分强大，经典之作-pdf document editing tool control, function is very powerful, classic

对PDF操作能够批量修改,当下载的PDF具有水印的时候，一般软件不能批量更改，此软件就实现了这个功能-Bulk of the PDF can be modified to operate, when to download the PDF with the watermark when the volume can not change the general software, the software has this feature on

PDF编辑器，我用了，非常好用，不信试一试吧，呵呵！-PDF Editor

一个简单易用的PDF编辑软件，解压后可以直接使用，不用安装，完全绿色版的。功能易用实用.-A simple-to-use PDF editing software, after decompression can be used directly without installation, complete the green version. Features easy to use utility.