Scan&OCR - quickly fill memory when processing large numbers of files

Same problem, described in https://community.adobe.com/t5/acrobat/memory-leak-which-leads-to-out-of-memory-when-doing-ocr/m-p/11209535?page=1#M261969

Lenovo P50
- i7-6700HQ
- 32 GB RAM DDR4
- Windows 10 Pro 64-Bit

Adobe Acrobat Pro DC 2020.009.20067 (32-Bit)
- No Updates available
- Installation repaired

Processing many PDF files for OCR
- maximum processor usage 20%
- after about 25 Minutes
- 3,6 GB RAM usage
- all remaining files are simply skipped and not processed
- Error message "Die Seite kann nicht verarbeitet werden, weil beim Dienst Paper Capture Erkennung ein Fehler aufgetreten ist. (6)"

In which order are the files processed? According to size? According to alphabetical sorting? Not apparent to me. Therefore the whole job can be cancelled!
So I can at least find out by the update date which files were not OCRed. Namely if several files were "processed" per minute.

After 30 minutes, the memory has grown to about 3.5 GB, the process continues, but the documents are no longer OCR!

Does anyone have any idea what's going on? Does Acrobat have a memory limit?

Acrobat is an interactive tool with VERY low volume automation. You are far, far, outside what it is designed for. Look for a specialist PDF OCR tool, rather than trying to use the basic Acrobat features. Or quit every 50 files or so.