Acrobat and SharePoint Integration
Using IT Hit Edit Any Document for SharePoint you can open PDF documents for editing from SharePoint Document Library page. To start PDF document editing in SharePoint you will select Edit Document command in a document context menu. By default the Adobe Acrobat will present a Check Out dialog. When document is opened you will select Edit PDF menu in Adobe Acrobat.
To save the document back to SharePoint server you will use the Save command in Adobe Acrobat, it will save the document directly to server. The Adobe Acrobat will present a Check In dialog where you can enter version comments.