Complex sentence: Converting a PDF version till 1.4 into PDF/A- 2 works quite fine except some problems with glyph.THe document produced through ocr conversion into PDF/A- 2 and PDF/A- 3 doesn't support the notdefglyph thus conversion may turn into obsolence of some text.
Split into simpler sentences: Converting a PDF version till 1.4 into PDF/A- 2 works quite fine except some problems with glyph. The document produced through ocr conversion into PDF/A- 2 and PDF/A- 3 doesn't support the notdefglyph thus conversion may turn into obsolence of some text.