GetNintexWorkflowStatuses.ps1

$tenantUrl = "https://yourtenant.sharepoint.com"
$credentials = Get-Credential

Connect-PnPOnline -Url $tenantUrl -Credentials $credentials
$sites = Get-PnPSiteSearchQueryResults -All
Disconnect-PnPOnline

$script:wfStatuses = @()

function Get-WebWorkflowData($web) {
    Write-Host $web.Url -ForegroundColor Yellow
    Connect-PnPOnline -Url $web.Url -Credentials $credentials
    $wfDefinitions = Get-PnPWorkflowDefinition
    $wfDefinitions | ForEach-Object {
        $wfDefinition = $_
        $script:wfStatuses += new-object -TypeName psobject -Property @{
            "SiteUrl"                    = $web.Url;
            "Id"                         = $wfDefinition.Id;
            "DisplayName"                = $wfDefinition.DisplayName;
            "NWFWorkflowEntitlementType" = $wfDefinition.Properties["NWConfig.WorkflowEntitlementType"];
        }
    }
    Disconnect-PnPOnline
}

$sites | ForEach-Object {
    $site = $_
    Write-Host $site.Url
    Connect-PnPOnline -Url $site.Url -Credentials $credentials

    $webs = Get-PnPSubWebs -Recurse
    Disconnect-PnPOnline

    Get-WebWorkflowData -web $site

    $webs | ForEach-Object {
        $web = $_
        Get-WebWorkflowData -web $web
    }
}

$dirPath = (Get-Location).Path
$script:wfStatuses | Export-Csv -NoTypeInformation -Path "$dirPath\WFStatuses.csv" -Force