To scan a document, open TapScanner and tap the camera icon. Align the document within the frame, and then capture the image. You can adjust the corners if needed before saving or exporting.

Yes, TapScanner allows you to edit scans. You can crop, rotate, and adjust brightness and contrast. After capturing, tap 'Edit' to access these tools and enhance your document.

After scanning, select the document in TapScanner, then tap 'Save as PDF' from the options. You can choose to compress the file or adjust the quality before saving it.

For misaligned documents, use the crop tool available in the editing section. You can manually adjust the corners of the scanned image to properly align your document.

To share a document, select the scanned file in TapScanner, then tap the share icon. You can choose from various sharing options, including email and messaging apps.