Sign Documents funktioniert nicht

Looks just like an ink signature. • Share Via email, send the signed document to the desired recipient(s). • Multiple pen color choices . • Multiple Undos : if you want to remove sign just Double tap to delete sign. • Work on your PDF documents stored on Dropbox just like your local files. • All scanned and Signed document are produced as industry-standard PDF files. • All processing happens on your iPhone and iPad, and the confidentiality of your data is never compromised (no Internet connection needed. • Print scanned documents .  If the document needs to be printed, send it to any printer nearby. 
• PDF Merging Option let user combine multiple PDF Scanned Document into One PDF Document. • The build-in PDF Merger feature is a professional but easy PDF file Combiner & Joiner designed to merge multiple PDF files .  PAY ONCE AND USE ON BOTH YOUR iPhone/iPod and iPad! • Sign complete important documents such as consulting agreements, NDAs, sales real estate contracts, financing agreements and more... • The simple and elegant way to scan and sign your documents. • Once installed, it appears in the "Open In.. ". list on your device.  With it you can combine multiple PDF files in a order to create a new single PDF file. • Privacy : Set password So No One Can See Your confidential files. • Make sure your document is flat and well lit.  This lets you save a PDF any document from Mail, Dropbox, and many other applications on your iPhone , iPod and iPad that supports Open In function. • signature with your finger.  ******* The easiest way to sign a document on your IOS Device .