PDF files are more portable than word and other Office format documents, the so-called Lost, PDF files in the editing operation is not as simple as those documents. PDF files are also widely used today, many times on the Internet or other ways to obtain documents are in PDF format, which will require the content of the document in the editing changes have a great impact, then there is no way we can easily edit the text image content in the PDF.
The editing and browsing of PDF files are separate and need to be manipulated by different tools, so editing a PDF file requires installing the PDF editing Tool and then opening the document for editing with the Edit tool.
After opening the document, you can modify the contents of the PDF file in the edit area, and with the page thumbnails we can switch the current page, which is the same as the PPT slide.
When editing text directly click on the text, the text will appear around the text box, can be in the text box editing text, Text style can choose the "format-character" open character dialog box to set.
The picture in the document can be arbitrarily resized and positioned, and if you need to edit the picture you can right-click to edit the picture with an external editor. To replace a picture, you can right-click the picture and select Change picture to replace the picture with the same size as the original picture.
Add pictures can be copied and pasted directly from other places into a PDF document, or you can add a picture using insert-from file.
When you save the document, you need to re-export the modified file to PDF format, and you can save the modified document with the direct output from the file as a PDF command.
How do I edit pdf text and pictures? http://jingyan.baidu.com/article/948f59241fdc6cd80ff5f995.html
How to edit text and pictures in PDF