Text to Speech PDF Reader funktioniert nicht

Read along to enhance comprehension or just kick back and listen to any PDF. * Dozens of high-quality voices in multiple languages to choose from with additional voices available to download on your device for free. * Choose a primary and secondary voice and switch between them easily as you read. * The app will highlight words as it reads and scroll the page automatically. * The app will remember where you left off and scroll to that position automatically next time you open a document. * Select any portion of text to save it as a highlight. * Tap any of your saved highlights and the app will open the pdf and scroll to the appropriate position. * Use the crop feature to skip repeated content that you don't want the app to read. * Optionally sync your documents with all of your iOS/iPadOS devices.  Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.  You can turn off auto-renew up to 24 hours before your next subscription payment is due via your App Store settings page.  Account will be charged for renewal within 24-hours prior to the end of the current period.  Payment will be charged to iTunes Account at confirmation of purchase.  If you enjoy the app please let us know through the in-app contact form and don't forget to rate us!  "TTS PDF Yearly" is an annual auto-renewable subscription for $9. 99.  Thank you for trying TTS PDF.  Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase.