Dear Sir

最近公司想使用兩套標榜免費的PDF應用軟體及一套螢幕錄影軟體，但不知道是否可合法使用於公司內
想請這邊的專家協助審核在商業公司內使用是否有版權上的疑慮
公司內軟體之使用並不會修改程式或安裝於商品販售，主要為員工內部工作上的使用
請協助確認標榜免費在商業公司內使用之合法性，或推薦其他自由軟體(可以達到相關功能性的軟體)
謝謝各位！

軟體名稱：PDF Split and Merge (www.pdfsam.org/)
功能描述：A simple, stable and completely free tool designed to split and merge pdf files.
預期效益：可任意接合或切割PDF文件，擷取、合併必要頁面，以便完整保存相關正本與附件。
相關版權敘述：www.pdfsam.org/?page_id=3
提到免費使用的內容：Basic version is very simple and stable. It’s completely free and it covers most of your needs.
Enhanced version is open source and has more features than the basic version. It’s “almost” free, you can download the source code, compile and use it or, if you think it’s worth it, you can make a donation.


軟體名稱：PDF-XChange Viewer (www.tracker-software.com/product/pdf-xchange-viewer)
功能描述：The PDF-XChange Viewer is smaller, faster and more feature rich than any other
FREE PDF Reader/Viewer/Editor available. This also allows users to try the extended
functionality for free to View/Modify or perform simple editing of PDF files.
預期效益：可分頁閱讀、任意標記色塊、符號、框線或註解文字於PDF文件，以便標記重要訊息後保存或發送。

相關版權敘述：www.tracker-software.com/product/pdf-xchange-viewer
提到免費使用的內容：Those wishing to View/Modify or perform simple editing of PDF files on their Windows PC's now have a FREE alternative! The PDF-XChange Viewer is smaller, faster and more feature rich than any other FREE PDF Reader/Viewer/Editor available. This version also allows users to try the extended functionality offered by the PDF-XChange Viewer 'PRO' in evaluation mode - for free. No PDF reader or Viewer offers more features than PDF-XChange - or does so without compromising performance and quality, checkout the feature list below and save $100's in unnecessary expenditure. The FREE version of the PDF-XChange Viewer may be used without limitation for Private, Commercial, Goverment and all uses, provided it is not -: incorporated or distributed for profit/commerical gain with other software or media distribution of any type - without first gaining permission. Software Developers SDK available for licensing in 3rd party software products etc.

軟體名稱：SCREEN2EXE (www.screen-record.com/screen2exe.htm)
功能描述：Record screen activities on desktop.Record mouse movement and clicking.Record speech from microphone.High speed screen recording. Capture up to 30 FPS with 'Max' mode!
預期效益：可錄製相關作業SOP及教學，建立相關學習資料。
相關版權敘述：www.screen-record.com/screen2exe.htm
提到免費使用的內容：註明Free (並未特別說明商業或個人使用限制)