How to Replace PDF Pages?
Wondershare PDFelement 6 for Mac can also help replace pages in PDF files ( version 7/8 does not support).
Step 1. Open the "Pages" menu to select the "Replace" option.
Step 2. Here comes the Replace Pages popup window, choose the pages of the original PDF which you would like to replace.
Step 3. Under the Replacement area, click the "Folder" icon and load the source PDF file, then choose the pages you would like to replace the original pages.
Step 4. Click "OK" to apply the replacement, and click OK again on the pop-up window to confirm the operation.