Auf Layersmagazine gibts einen interessanten Artikel zum Bearbeiten von PDFs und Dokumenten von mehreren Personen (gleichzeitig).

You can use PDF documents as small, flexible, Internet-safe files for managing documents in a collaborative project that requires input from several people. The commenting, response, and sharing features in Adobe Acrobat 9 Professional provide great flexibility and ease of use. And with PDF, you can view and comment on the exact layout, which isn’t possible in text-based applications.

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Layersmagazine.com: Managing Collaborative Projects with Adobe Acrobat PDFs

1. CREATE A SMALL PDF DOCUMENT
2. CHOOSE REVIEW/DISTRIBUTION OPTION
3. ENABLE COMMENTING FOR READER USERS
4. INITIATE SHARED REVIEW
5. SET UP YOUR SHARED DOCUMENT
6. SET ACCESS LEVEL
7. DOWNLOAD, VIEW, AND COMMENT
8. TRACK COMMENTS
9. VIEW YOUR SHARED DOCUMENT ONLINE
10. VIEW AND MANAGE REVIEWERS
11. MANAGE YOUR SHARED DOCUMENT
12. VIEW AND ACCESS FILE INFO
13. WORK LIVE