Extract is to reuse the selected pages in the PDF to other PDFs. The extracted page includes all the annotations and links related to the original page content.
1. Open a document, click Page Edit in the upper left corner;
2. Choose the pages you want to extract, and tap Extract ;
3. Select Each page in a seperate file or Delete page after extraction.
Note: When extracting multiple pages, select Each page in a seperate file, and each PDF page will be a separate PDF file; select Delete page after extraction, and each PDF page will be merged into one PDF file, and the extracted pages will be deleted from the original document.