This is the 15458th most frequent Russian word.
предоставлявший
"Providing" or "having provided."
Here, "предоставлявший" is used as a participle describing the document that granted access, showing a past function of the subject.
Документ, предоставлявший доступ к архивам, был потерян.
The document that granted access to the archives was lost.
In this sentence, "предоставлявший" functions as a participle describing the young man's actions in the past.
Юноша, предоставлявший помощь соседям, заслужил уважение.
The young man who was providing help to the neighbors earned respect.
Here, "предоставлявший" describes a project and its role in providing affordable housing in the past.